CopyResourceElementsOperation.java
| Index Score | ||
|---|---|---|
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net.sourceforge.phpdt.internal.core |
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PHPeclipse |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| EXITS | Procedure exits | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| CYCLOMATIC | Cyclomatic complexity | |
| COMPARISONS | Number of comparison operators | |
| SIZE | Size of the file in bytes | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| BLOCKS | Number of blocks | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| OPERANDS | Number of operands | |
| ELOC | Effective lines of code | |
| LOC | Lines of code | |
| LINES | Number of lines in the source file | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| COMMENTS | Comment lines | |
| LOGICAL_LINES | Number of statements | |
| LOOPS | Number of loops | |
| JAVA0285 | JAVA0285 Dereference of potentially null variable | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| DECL_COMMENTS | Comments in declarations | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0169 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| RETURNS | Number of return points from functions | |
| PARAMS | Number of formal parameter declarations | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| WHITESPACE | Number of whitespace lines | |
/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package net.sourceforge.phpdt.internal.core;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import net.sourceforge.phpdt.core.IBuffer;
import net.sourceforge.phpdt.core.ICompilationUnit;
import net.sourceforge.phpdt.core.IJavaElement;
import net.sourceforge.phpdt.core.IJavaElementDelta;
import net.sourceforge.phpdt.core.IJavaModelStatus;
import net.sourceforge.phpdt.core.IJavaModelStatusConstants;
import net.sourceforge.phpdt.core.IJavaProject;
import net.sourceforge.phpdt.core.IPackageFragment;
import net.sourceforge.phpdt.core.IPackageFragmentRoot;
import net.sourceforge.phpdt.core.IType;
import net.sourceforge.phpdt.core.JavaCore;
import net.sourceforge.phpdt.core.JavaModelException;
import net.sourceforge.phpdt.core.jdom.DOMException;
import net.sourceforge.phpdt.core.jdom.DOMFactory;
import net.sourceforge.phpdt.core.jdom.IDOMCompilationUnit;
import net.sourceforge.phpdt.core.jdom.IDOMNode;
import net.sourceforge.phpdt.internal.core.util.Util;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* This operation copies/moves/renames a collection of resources from their
* current container to a new container, optionally renaming the elements.
* <p>
* Notes:
* <ul>
* <li>If there is already an resource with the same name in the new container,
* the operation either overwrites or aborts, depending on the collision policy
* setting. The default setting is abort.
*
* <li>When a compilation unit is copied to a new package, the package
* declaration in the compilation unit is automatically updated.
*
* <li>The collection of elements being copied must all share the same type of
* container.
*
* <li>This operation can be used to copy and rename elements within the same
* container.
*
* <li>This operation only copies compilation units and package fragments. It
* does not copy package fragment roots - a platform operation must be used for
* that.
* </ul>
*
*/
public class CopyResourceElementsOperation extends MultiOperation {
/**
* A collection of renamed compilation units. These cus do not need to be
* saved as they no longer exist.
*/
protected ArrayList fRenamedCompilationUnits = null;
/**
* Table specifying deltas for elements being copied/moved/renamed. Keyed by
* elements' project(s), and values are the corresponding deltas.
*/
protected Map fDeltasPerProject = new HashMap(1);
/**
* The <code>DOMFactory</code> used to manipulate the source code of
* <code>ICompilationUnit</code>.
*/
protected DOMFactory fFactory;
/**
* The list of new resources created during this operation.
*/
protected ArrayList fCreatedElements;
/**
* When executed, this operation will copy the given resources to the given
* containers. The resources and destination containers must be in the
* correct order. If there is > 1 destination, the number of destinations
* must be the same as the number of resources being copied/moved.
*/
public CopyResourceElementsOperation(IJavaElement[] resourcesToCopy,
IJavaElement[] destContainers, boolean force) {
super(resourcesToCopy, destContainers, force);
fFactory = new DOMFactory();
}
/**
* When executed, this operation will copy the given resources to the given
* container.
*/
public CopyResourceElementsOperation(IJavaElement[] resourcesToCopy,
IJavaElement destContainer, boolean force) {
this(resourcesToCopy, new IJavaElement[] { destContainer }, force);
}
/**
* Returns the children of <code>source</code> which are affected by this
* operation. If <code>source</code> is a <code>K_SOURCE</code>, these
* are the <code>.java</code> files, if it is a <code>K_BINARY</code>,
* they are the <code>.class</code> files.
*/
private IResource[] collectResourcesOfInterest(IPackageFragment source)
throws JavaModelException {
IJavaElement[] children = source.getChildren();
int childOfInterest = IJavaElement.COMPILATION_UNIT;
// if (source.getKind() == IPackageFragmentRoot.K_BINARY) {
// childOfInterest = IJavaElement.CLASS_FILE;
// }
ArrayList correctKindChildren = new ArrayList(children.length);
for (int i = 0; i < children.length; i++) {
IJavaElement child = children[i];
if (child.getElementType() == childOfInterest) {
correctKindChildren.add(child.getResource());
}
}
// Gather non-java resources
// Object[] nonJavaResources = source.getNonJavaResources();
// int actualNonJavaResourceCount = 0;
// for (int i = 0, max = nonJavaResources.length; i < max; i++){
// if (nonJavaResources[i] instanceof IResource)
// actualNonJavaResourceCount++;
// }
// IResource[] actualNonJavaResources = new
// IResource[actualNonJavaResourceCount];
// for (int i = 0, max = nonJavaResources.length, index = 0; i < max;
// i++){
// if (nonJavaResources[i] instanceof IResource)
// actualNonJavaResources[index++] = (IResource)nonJavaResources[i];
// }
// if (actualNonJavaResourceCount != 0) {
// int correctKindChildrenSize = correctKindChildren.size();
// IResource[] result = new IResource[correctKindChildrenSize +
// actualNonJavaResourceCount];
// correctKindChildren.toArray(result);
// System.arraycopy(actualNonJavaResources, 0, result,
// correctKindChildrenSize, actualNonJavaResourceCount);
// return result;
// } else {
IResource[] result = new IResource[correctKindChildren.size()];
correctKindChildren.toArray(result);
return result;
// }
}
/**
* Creates any destination package fragment(s) which do not exists yet.
*/
private void createNeededPackageFragments(IContainer sourceFolder,
IPackageFragmentRoot root, String newFragName, boolean moveFolder)
throws JavaModelException {
IContainer parentFolder = (IContainer) root.getResource();
JavaElementDelta projectDelta = null;
String[] names = net.sourceforge.phpdt.internal.core.util.Util
.getTrimmedSimpleNames(newFragName);
StringBuffer sideEffectPackageName = new StringBuffer();
char[][] exclusionsPatterns = ((PackageFragmentRoot) root)
.fullExclusionPatternChars();
for (int i = 0; i < names.length; i++) {
String subFolderName = names[i];
sideEffectPackageName.append(subFolderName);
IResource subFolder = parentFolder.findMember(subFolderName);
if (subFolder == null) {
// create deepest folder only if not a move (folder will be
// moved in processPackageFragmentResource)
if (!(moveFolder && i == names.length - 1)) {
createFolder(parentFolder, subFolderName, force);
}
parentFolder = parentFolder.getFolder(new Path(subFolderName));
sourceFolder = sourceFolder.getFolder(new Path(subFolderName));
if (sourceFolder.getResourceAttributes().isReadOnly()) {
parentFolder.getResourceAttributes().setReadOnly(true);
}
IPackageFragment sideEffectPackage = root
.getPackageFragment(sideEffectPackageName.toString());
if (i < names.length - 1 // all but the last one are side
// effect packages
&& !net.sourceforge.phpdt.internal.core.util.Util
.isExcluded(parentFolder, exclusionsPatterns)) {
if (projectDelta == null) {
projectDelta = getDeltaFor(root.getJavaProject());
}
projectDelta.added(sideEffectPackage);
}
fCreatedElements.add(sideEffectPackage);
} else {
parentFolder = (IContainer) subFolder;
}
sideEffectPackageName.append('.');
}
}
/**
* Returns the <code>JavaElementDelta</code> for <code>javaProject</code>,
* creating it and putting it in <code>fDeltasPerProject</code> if it does
* not exist yet.
*/
private JavaElementDelta getDeltaFor(IJavaProject javaProject) {
JavaElementDelta delta = (JavaElementDelta) fDeltasPerProject
.get(javaProject);
if (delta == null) {
delta = new JavaElementDelta(javaProject);
fDeltasPerProject.put(javaProject, delta);
}
return delta;
}
/**
* @see MultiOperation
*/
protected String getMainTaskName() {
return net.sourceforge.phpdt.internal.core.util.Util
.bind("operation.copyResourceProgress"); //$NON-NLS-1$
}
/**
* Sets the deltas to register the changes resulting from this operation for
* this source element and its destination. If the operation is a cross
* project operation
* <ul>
* <li>On a copy, the delta should be rooted in the dest project
* <li>On a move, two deltas are generated
* <ul>
* <li>one rooted in the source project
* <li>one rooted in the destination project
* </ul>
* </ul>
* If the operation is rooted in a single project, the delta is rooted in
* that project
*
*/
protected void prepareDeltas(IJavaElement sourceElement,
IJavaElement destinationElement, boolean isMove) {
if (net.sourceforge.phpdt.internal.core.util.Util
.isExcluded(sourceElement)
|| net.sourceforge.phpdt.internal.core.util.Util
.isExcluded(destinationElement))
return;
IJavaProject destProject = destinationElement.getJavaProject();
if (isMove) {
IJavaProject sourceProject = sourceElement.getJavaProject();
getDeltaFor(sourceProject).movedFrom(sourceElement,
destinationElement);
getDeltaFor(destProject).movedTo(destinationElement, sourceElement);
} else {
getDeltaFor(destProject).added(destinationElement);
}
}
/**
* Copies/moves a compilation unit with the name <code>newCUName</code> to
* the destination package.<br>
* The package statement in the compilation unit is updated if necessary.
* The main type of the compilation unit is renamed if necessary.
*
* @exception JavaModelException
* if the operation is unable to complete
*/
private void processCompilationUnitResource(ICompilationUnit source,
IPackageFragment dest) throws JavaModelException {
String newCUName = getNewNameFor(source);
String destName = (newCUName != null) ? newCUName : source
.getElementName();
String newContent = updatedContent(source, dest, newCUName); // null
// if
// unchanged
// copy resource
IFile sourceResource = (IFile) (source.isWorkingCopy() ? source
.getOriginalElement() : source).getResource();
IContainer destFolder = (IContainer) dest.getResource(); // can be an
// IFolder
// or an
// IProject
IFile destFile = destFolder.getFile(new Path(destName));
if (!destFile.equals(sourceResource)) {
try {
if (destFile.exists()) {
if (force) {
// we can remove it
deleteResource(destFile, IResource.KEEP_HISTORY);
} else {
// abort
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Util
.bind(
"status.nameCollision", destFile.getFullPath().toString()))); //$NON-NLS-1$
}
}
int flags = force ? IResource.FORCE : IResource.NONE;
if (this.isMove()) {
flags |= IResource.KEEP_HISTORY;
sourceResource.move(destFile.getFullPath(), flags,
getSubProgressMonitor(1));
} else {
if (newContent != null)
flags |= IResource.KEEP_HISTORY;
sourceResource.copy(destFile.getFullPath(), flags,
getSubProgressMonitor(1));
}
this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} catch (JavaModelException e) {
throw e;
} catch (CoreException e) {
throw new JavaModelException(e);
}
// update new resource content
try {
if (newContent != null) {
String encoding = source.getJavaProject().getOption(
JavaCore.CORE_ENCODING, true);
destFile.setContents(new ByteArrayInputStream(
encoding == null ? newContent.getBytes()
: newContent.getBytes(encoding)),
force ? IResource.FORCE | IResource.KEEP_HISTORY
: IResource.KEEP_HISTORY,
getSubProgressMonitor(1));
}
} catch (IOException e) {
throw new JavaModelException(e,
IJavaModelStatusConstants.IO_EXCEPTION);
} catch (CoreException e) {
throw new JavaModelException(e);
}
// register the correct change deltas
ICompilationUnit destCU = dest.getCompilationUnit(destName);
prepareDeltas(source, destCU, isMove());
if (newCUName != null) {
// the main type has been renamed
String oldName = source.getElementName();
oldName = oldName.substring(0, oldName.length() - 5);
String newName = newCUName;
newName = newName.substring(0, newName.length() - 5);
prepareDeltas(source.getType(oldName), destCU.getType(newName),
isMove());
}
} else {
if (!force) {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Util
.bind(
"status.nameCollision", destFile.getFullPath().toString()))); //$NON-NLS-1$
}
// update new resource content
// in case we do a saveas on the same resource we have to simply
// update the contents
// see http://dev.eclipse.org/bugs/show_bug.cgi?id=9351
try {
if (newContent != null) {
String encoding = source.getJavaProject().getOption(
JavaCore.CORE_ENCODING, true);
destFile.setContents(new ByteArrayInputStream(
encoding == null ? newContent.getBytes()
: newContent.getBytes(encoding)),
force ? IResource.FORCE | IResource.KEEP_HISTORY
: IResource.KEEP_HISTORY,
getSubProgressMonitor(1));
}
} catch (IOException e) {
throw new JavaModelException(e,
IJavaModelStatusConstants.IO_EXCEPTION);
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
}
/**
* Process all of the changed deltas generated by this operation.
*/
protected void processDeltas() {
for (Iterator deltas = this.fDeltasPerProject.values().iterator(); deltas
.hasNext();) {
addDelta((IJavaElementDelta) deltas.next());
}
}
/**
* @see MultiOperation This method delegates to
* <code>processCompilationUnitResource</code> or
* <code>processPackageFragmentResource</code>, depending on the
* type of <code>element</code>.
*/
protected void processElement(IJavaElement element)
throws JavaModelException {
IJavaElement dest = getDestinationParent(element);
switch (element.getElementType()) {
case IJavaElement.COMPILATION_UNIT:
processCompilationUnitResource((ICompilationUnit) element,
(IPackageFragment) dest);
fCreatedElements.add(((IPackageFragment) dest)
.getCompilationUnit(element.getElementName()));
break;
case IJavaElement.PACKAGE_FRAGMENT:
processPackageFragmentResource((IPackageFragment) element,
(IPackageFragmentRoot) dest, getNewNameFor(element));
break;
default:
throw new JavaModelException(new JavaModelStatus(
IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element));
}
}
/**
* @see MultiOperation Overridden to allow special processing of
* <code>JavaElementDelta</code>s and <code>fResultElements</code>.
*/
protected void processElements() throws JavaModelException {
fCreatedElements = new ArrayList(fElementsToProcess.length);
try {
super.processElements();
} catch (JavaModelException jme) {
throw jme;
} finally {
resultElements = new IJavaElement[fCreatedElements.size()];
fCreatedElements.toArray(resultElements);
processDeltas();
}
}
/**
* Copies/moves a package fragment with the name <code>newName</code> to
* the destination package.<br>
*
* @exception JavaModelException
* if the operation is unable to complete
*/
private void processPackageFragmentResource(IPackageFragment source,
IPackageFragmentRoot root, String newName)
throws JavaModelException {
try {
String newFragName = (newName == null) ? source.getElementName()
: newName;
IPackageFragment newFrag = root.getPackageFragment(newFragName);
IResource[] resources = collectResourcesOfInterest(source);
// if isMove() can we move the folder itself ? (see
// http://bugs.eclipse.org/bugs/show_bug.cgi?id=22458)
boolean shouldMoveFolder = isMove()
&& !newFrag.getResource().exists(); // if new pkg fragment
// exists, it is an
// override
IFolder srcFolder = (IFolder) source.getResource();
IPath destPath = newFrag.getPath();
if (shouldMoveFolder) {
// check if destination is not included in source
if (srcFolder.getFullPath().isPrefixOf(destPath)) {
shouldMoveFolder = false;
} else {
// check if there are no sub-packages
IResource[] members = srcFolder.members();
for (int i = 0; i < members.length; i++) {
if (members[i] instanceof IFolder) {
shouldMoveFolder = false;
break;
}
}
}
}
createNeededPackageFragments((IContainer) source.getParent()
.getResource(), root, newFragName, shouldMoveFolder);
// Process resources
if (shouldMoveFolder) {
// move underlying resource
srcFolder.move(destPath, force, true /* keep history */,
getSubProgressMonitor(1));
this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} else {
// process the leaf resources
if (resources.length > 0) {
if (isRename()) {
if (!destPath.equals(source.getPath())) {
moveResources(resources, destPath);
}
} else if (isMove()) {
// we need to delete this resource if this operation
// wants to override existing resources
for (int i = 0, max = resources.length; i < max; i++) {
IResource destinationResource = ResourcesPlugin
.getWorkspace().getRoot().findMember(
destPath.append(resources[i]
.getName()));
if (destinationResource != null) {
if (force) {
deleteResource(destinationResource,
IResource.KEEP_HISTORY);
} else {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Util
.bind(
"status.nameCollision", destinationResource.getFullPath().toString()))); //$NON-NLS-1$
}
}
}
moveResources(resources, destPath);
} else {
// we need to delete this resource if this operation
// wants to override existing resources
for (int i = 0, max = resources.length; i < max; i++) {
IResource destinationResource = ResourcesPlugin
.getWorkspace().getRoot().findMember(
destPath.append(resources[i]
.getName()));
if (destinationResource != null) {
if (force) {
// we need to delete this resource if this
// operation wants to override existing
// resources
deleteResource(destinationResource,
IResource.KEEP_HISTORY);
} else {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Util
.bind(
"status.nameCollision", destinationResource.getFullPath().toString()))); //$NON-NLS-1$
}
}
}
copyResources(resources, destPath);
}
}
}
// Discard empty old package (if still empty after the rename)
boolean isEmpty = true;
if (isMove()) {
// delete remaining files in this package (.class file in the
// case where Proj=src=bin)
if (srcFolder.exists()) {
IResource[] remaingFiles = srcFolder.members();
for (int i = 0, length = remaingFiles.length; i < length; i++) {
IResource file = remaingFiles[i];
if (file instanceof IFile) {
this.deleteResource(file, IResource.FORCE
| IResource.KEEP_HISTORY);
} else {
isEmpty = false;
}
}
}
if (isEmpty) {
IResource rootResource;
// check if source is included in destination
if (destPath.isPrefixOf(srcFolder.getFullPath())) {
rootResource = newFrag.getResource();
} else {
rootResource = source.getParent().getResource();
}
// delete recursively empty folders
deleteEmptyPackageFragment(source, false, rootResource);
}
}
// Update package statement in compilation unit if needed
if (!newFrag.getElementName().equals(source.getElementName())) { // if
// package
// has
// been
// renamed,
// update
// the
// compilation
// units
for (int i = 0; i < resources.length; i++) {
if (resources[i].getName().endsWith(".java")) { //$NON-NLS-1$
// we only consider potential compilation units
ICompilationUnit cu = newFrag
.getCompilationUnit(resources[i].getName());
IDOMCompilationUnit domCU = fFactory
.createCompilationUnit(cu.getSource(), cu
.getElementName());
if (domCU != null) {
updatePackageStatement(domCU, newFragName);
IBuffer buffer = cu.getBuffer();
if (buffer == null)
continue;
String bufferContents = buffer.getContents();
if (bufferContents == null)
continue;
String domCUContents = domCU.getContents();
String cuContents = null;
if (domCUContents != null) {
cuContents = net.sourceforge.phpdt.internal.core.util.Util
.normalizeCRs(domCU.getContents(),
bufferContents);
} else {
// See PR
// http://dev.eclipse.org/bugs/show_bug.cgi?id=11285
cuContents = bufferContents;//$NON-NLS-1$
}
buffer.setContents(cuContents);
cu.save(null, false);
}
}
}
}
// register the correct change deltas
prepareDeltas(source, newFrag, isMove() && isEmpty);
} catch (DOMException dom) {
throw new JavaModelException(dom,
IJavaModelStatusConstants.DOM_EXCEPTION);
} catch (JavaModelException e) {
throw e;
} catch (CoreException ce) {
throw new JavaModelException(ce);
}
}
/**
* Updates the content of <code>cu</code>, modifying the type name and/or
* package declaration as necessary.
*
* @return the new source
*/
private String updatedContent(ICompilationUnit cu, IPackageFragment dest,
String newName) throws JavaModelException {
String currPackageName = cu.getParent().getElementName();
String destPackageName = dest.getElementName();
if (currPackageName.equals(destPackageName) && newName == null) {
return null; // nothing to change
} else {
String typeName = cu.getElementName();
typeName = typeName.substring(0, typeName.length() - 5);
IDOMCompilationUnit cuDOM = null;
IBuffer buffer = cu.getBuffer();
if (buffer == null)
return null;
char[] contents = buffer.getCharacters();
if (contents == null)
return null;
cuDOM = fFactory.createCompilationUnit(contents, typeName);
updateTypeName(cu, cuDOM, cu.getElementName(), newName);
updatePackageStatement(cuDOM, destPackageName);
return cuDOM.getContents();
}
}
/**
* Makes sure that <code>cu</code> declares to be in the
* <code>pkgName</code> package.
*/
private void updatePackageStatement(IDOMCompilationUnit domCU,
String pkgName) throws JavaModelException {
boolean defaultPackage = pkgName
.equals(IPackageFragment.DEFAULT_PACKAGE_NAME);
boolean seenPackageNode = false;
Enumeration e = domCU.getChildren();
while (e.hasMoreElements()) {
IDOMNode node = (IDOMNode) e.nextElement();
if (node.getNodeType() == IDOMNode.PACKAGE) {
if (!defaultPackage) {
node.setName(pkgName);
} else {
node.remove();
}
seenPackageNode = true;
break;
}
}
if (!seenPackageNode && !defaultPackage) {
// the cu was in a default package...no package declaration
// create the new package declaration as the first child of the cu
// IDOMPackage pkg = fFactory.createPackage("package " + pkgName +
// ";" +
// net.sourceforge.phpdt.internal.compiler.util.ProjectPrefUtil.LINE_SEPARATOR);
// //$NON-NLS-1$ //$NON-NLS-2$
// IDOMNode firstChild = domCU.getFirstChild();
// if (firstChild != null) {
// firstChild.insertSibling(pkg);
// } // else the cu was empty: leave it empty
}
}
/**
* Renames the main type in <code>cu</code>.
*/
private void updateTypeName(ICompilationUnit cu, IDOMCompilationUnit domCU,
String oldName, String newName) throws JavaModelException {
if (newName != null) {
if (fRenamedCompilationUnits == null) {
fRenamedCompilationUnits = new ArrayList(1);
}
fRenamedCompilationUnits.add(cu);
String oldTypeName = oldName.substring(0, oldName.length() - 5);
String newTypeName = newName.substring(0, newName.length() - 5);
// update main type name
IType[] types = cu.getTypes();
for (int i = 0, max = types.length; i < max; i++) {
IType currentType = types[i];
if (currentType.getElementName().equals(oldTypeName)) {
IDOMNode typeNode = ((JavaElement) currentType)
.findNode(domCU);
if (typeNode != null) {
typeNode.setName(newTypeName);
}
}
}
}
}
/**
* Possible failures:
* <ul>
* <li>NO_ELEMENTS_TO_PROCESS - no elements supplied to the operation
* <li>INDEX_OUT_OF_BOUNDS - the number of renamings supplied to the
* operation does not match the number of elements that were supplied.
* </ul>
*/
protected IJavaModelStatus verify() {
IJavaModelStatus status = super.verify();
if (!status.isOK()) {
return status;
}
if (fRenamingsList != null
&& fRenamingsList.length != fElementsToProcess.length) {
return new JavaModelStatus(
IJavaModelStatusConstants.INDEX_OUT_OF_BOUNDS);
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* @see MultiOperation
*/
protected void verify(IJavaElement element) throws JavaModelException {
if (element == null || !element.exists())
error(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, element);
if (element.isReadOnly() && (isRename() || isMove()))
error(IJavaModelStatusConstants.READ_ONLY, element);
IResource resource = element.getResource();
if (resource instanceof IFolder) {
if (resource.isLinked()) {
error(JavaModelStatus.INVALID_RESOURCE, element);
}
}
int elementType = element.getElementType();
if (elementType == IJavaElement.COMPILATION_UNIT) {
if (isMove() && ((ICompilationUnit) element).isWorkingCopy())
error(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element);
} else if (elementType != IJavaElement.PACKAGE_FRAGMENT) {
error(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element);
}
JavaElement dest = (JavaElement) getDestinationParent(element);
verifyDestination(element, dest);
if (fRenamings != null) {
verifyRenaming(element);
}
}
}
The table below shows all metrics for CopyResourceElementsOperation.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 110.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 236.00 | Comment lines | |
| COMMENT_DENSITY | 0.55 | Comment density | |
| COMPARISONS | 86.00 | Number of comparison operators | |
| CYCLOMATIC | 121.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 23.00 | Comments in declarations | |
| DOC_COMMENT | 146.00 | Number of javadoc comment lines | |
| ELOC | 430.00 | Effective lines of code | |
| EXEC_COMMENTS | 36.00 | Comments in executable code | |
| EXITS | 112.00 | Procedure exits | |
| FUNCTIONS | 17.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 103.88 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 72.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 9.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 7.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 29.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 4.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 8.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 2.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 2711.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 1.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 1.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 1.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 1.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 3.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 3.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 790.00 | Number of lines in the source file | |
| LINE_COMMENT | 90.00 | Number of line comments | |
| LOC | 514.00 | Lines of code | |
| LOGICAL_LINES | 233.00 | Number of statements | |
| LOOPS | 10.00 | Number of loops | |
| NEST_DEPTH | 8.00 | Maximum nesting depth | |
| OPERANDS | 1254.00 | Number of operands | |
| OPERATORS | 2310.00 | Number of operators | |
| PARAMS | 31.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3564.00 | Halstead program length | |
| PROGRAM_VOCAB | 394.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 41.00 | Number of return points from functions | |
| SIZE | 27611.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 338.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 56.00 | Number of unique operators | |
| WHITESPACE | 40.00 | Number of whitespace lines | |