diff options
Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/internal/core/JavaModelOperation.java')
| -rw-r--r-- | bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/internal/core/JavaModelOperation.java | 899 |
1 files changed, 0 insertions, 899 deletions
diff --git a/bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/internal/core/JavaModelOperation.java b/bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/internal/core/JavaModelOperation.java deleted file mode 100644 index a8f57cb2..00000000 --- a/bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/internal/core/JavaModelOperation.java +++ /dev/null @@ -1,899 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.jsdt.internal.core; - -import java.io.InputStream; -import java.util.ArrayList; -import java.util.HashMap; - -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.IResourceStatus; -import org.eclipse.core.resources.IWorkspace; -import org.eclipse.core.resources.IWorkspaceRunnable; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.OperationCanceledException; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.SubProgressMonitor; -import org.eclipse.core.runtime.jobs.ISchedulingRule; -import org.eclipse.jface.text.IDocument; -import org.eclipse.wst.jsdt.core.IBuffer; -import org.eclipse.wst.jsdt.core.IIncludePathEntry; -import org.eclipse.wst.jsdt.core.IJavaScriptUnit; -import org.eclipse.wst.jsdt.core.IJavaScriptElement; -import org.eclipse.wst.jsdt.core.IJavaScriptElementDelta; -import org.eclipse.wst.jsdt.core.IJavaScriptModel; -import org.eclipse.wst.jsdt.core.IJavaScriptModelStatus; -import org.eclipse.wst.jsdt.core.IJavaScriptModelStatusConstants; -import org.eclipse.wst.jsdt.core.IPackageFragment; -import org.eclipse.wst.jsdt.core.IPackageFragmentRoot; -import org.eclipse.wst.jsdt.core.JavaScriptModelException; -import org.eclipse.wst.jsdt.internal.core.util.Messages; - -/** - * Defines behavior common to all Java Model operations - */ -public abstract class JavaModelOperation implements IWorkspaceRunnable, IProgressMonitor { - protected interface IPostAction { - /* - * Returns the id of this action. - * @see JavaModelOperation#postAction - */ - String getID(); - /* - * Run this action. - */ - void run() throws JavaScriptModelException; - } - /* - * Constants controlling the insertion mode of an action. - * @see JavaModelOperation#postAction - */ - protected static final int APPEND = 1; // insert at the end - protected static final int REMOVEALL_APPEND = 2; // remove all existing ones with same ID, and add new one at the end - protected static final int KEEP_EXISTING = 3; // do not insert if already existing with same ID - - /* - * Whether tracing post actions is enabled. - */ - protected static boolean POST_ACTION_VERBOSE; - - /* - * A list of IPostActions. - */ - protected IPostAction[] actions; - protected int actionsStart = 0; - protected int actionsEnd = -1; - /* - * A HashMap of attributes that can be used by operations - */ - protected HashMap attributes; - - public static final String HAS_MODIFIED_RESOURCE_ATTR = "hasModifiedResource"; //$NON-NLS-1$ - public static final String TRUE = JavaModelManager.TRUE; - //public static final String FALSE = "false"; - - /** - * The elements this operation operates on, - * or <code>null</code> if this operation - * does not operate on specific elements. - */ - protected IJavaScriptElement[] elementsToProcess; - /** - * The parent elements this operation operates with - * or <code>null</code> if this operation - * does not operate with specific parent elements. - */ - protected IJavaScriptElement[] parentElements; - /** - * An empty collection of <code>IJavaScriptElement</code>s - the common - * empty result if no elements are created, or if this - * operation is not actually executed. - */ - protected static IJavaScriptElement[] NO_ELEMENTS= new IJavaScriptElement[] {}; - - - /** - * The elements created by this operation - empty - * until the operation actually creates elements. - */ - protected IJavaScriptElement[] resultElements= NO_ELEMENTS; - - /** - * The progress monitor passed into this operation - */ - public IProgressMonitor progressMonitor= null; - /** - * A flag indicating whether this operation is nested. - */ - protected boolean isNested = false; - /** - * Conflict resolution policy - by default do not force (fail on a conflict). - */ - protected boolean force = false; - - /* - * A per thread stack of java model operations (PerThreadObject of ArrayList). - */ - protected static ThreadLocal operationStacks = new ThreadLocal(); - protected JavaModelOperation() { - // default constructor used in subclasses - } - /** - * A common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement[] elements) { - this.elementsToProcess = elements; - } - /** - * Common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement[] elementsToProcess, IJavaScriptElement[] parentElements) { - this.elementsToProcess = elementsToProcess; - this.parentElements= parentElements; - } - /** - * A common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement[] elementsToProcess, IJavaScriptElement[] parentElements, boolean force) { - this.elementsToProcess = elementsToProcess; - this.parentElements= parentElements; - this.force= force; - } - /** - * A common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement[] elements, boolean force) { - this.elementsToProcess = elements; - this.force= force; - } - - /** - * Common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement element) { - this.elementsToProcess = new IJavaScriptElement[]{element}; - } - /** - * A common constructor for all Java Model operations. - */ - protected JavaModelOperation(IJavaScriptElement element, boolean force) { - this.elementsToProcess = new IJavaScriptElement[]{element}; - this.force= force; - } - - /* - * Registers the given action at the end of the list of actions to run. - */ - protected void addAction(IPostAction action) { - int length = this.actions.length; - if (length == ++this.actionsEnd) { - System.arraycopy(this.actions, 0, this.actions = new IPostAction[length*2], 0, length); - } - this.actions[this.actionsEnd] = action; - } - /* - * Registers the given delta with the Java Model Manager. - */ - protected void addDelta(IJavaScriptElementDelta delta) { - JavaModelManager.getJavaModelManager().getDeltaProcessor().registerJavaModelDelta(delta); - } - /* - * Registers the given reconcile delta with the Java Model Manager. - */ - protected void addReconcileDelta(IJavaScriptUnit workingCopy, IJavaScriptElementDelta delta) { - HashMap reconcileDeltas = JavaModelManager.getJavaModelManager().getDeltaProcessor().reconcileDeltas; - JavaElementDelta previousDelta = (JavaElementDelta)reconcileDeltas.get(workingCopy); - if (previousDelta != null) { - IJavaScriptElementDelta[] children = delta.getAffectedChildren(); - for (int i = 0, length = children.length; i < length; i++) { - JavaElementDelta child = (JavaElementDelta)children[i]; - previousDelta.insertDeltaTree(child.getElement(), child); - } - // note that the last delta's AST always takes precedence over the existing delta's AST - // since it is the result of the last reconcile operation - if ((delta.getFlags() & IJavaScriptElementDelta.F_AST_AFFECTED) != 0) { - previousDelta.changedAST(delta.getJavaScriptUnitAST()); - } - - } else { - reconcileDeltas.put(workingCopy, delta); - } - } - /* - * Deregister the reconcile delta for the given working copy - */ - protected void removeReconcileDelta(IJavaScriptUnit workingCopy) { - JavaModelManager.getJavaModelManager().getDeltaProcessor().reconcileDeltas.remove(workingCopy); - } - /** - * @see IProgressMonitor - */ - public void beginTask(String name, int totalWork) { - if (progressMonitor != null) { - progressMonitor.beginTask(name, totalWork); - } - } - /* - * Returns whether this operation can modify the package fragment roots. - */ - protected boolean canModifyRoots() { - return false; - } - /** - * Checks with the progress monitor to see whether this operation - * should be canceled. An operation should regularly call this method - * during its operation so that the user can cancel it. - * - * @exception OperationCanceledException if cancelling the operation has been requested - * @see IProgressMonitor#isCanceled - */ - protected void checkCanceled() { - if (isCanceled()) { - throw new OperationCanceledException(Messages.operation_cancelled); - } - } - /** - * Common code used to verify the elements this operation is processing. - * @see JavaModelOperation#verify() - */ - protected IJavaScriptModelStatus commonVerify() { - if (elementsToProcess == null || elementsToProcess.length == 0) { - return new JavaModelStatus(IJavaScriptModelStatusConstants.NO_ELEMENTS_TO_PROCESS); - } - for (int i = 0; i < elementsToProcess.length; i++) { - if (elementsToProcess[i] == null) { - return new JavaModelStatus(IJavaScriptModelStatusConstants.NO_ELEMENTS_TO_PROCESS); - } - } - return JavaModelStatus.VERIFIED_OK; - } - /** - * Convenience method to copy resources - */ - protected void copyResources(IResource[] resources, IPath destinationPath) throws JavaScriptModelException { - IProgressMonitor subProgressMonitor = getSubProgressMonitor(resources.length); - IWorkspace workspace = resources[0].getWorkspace(); - try { - workspace.copy(resources, destinationPath, false, subProgressMonitor); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Convenience method to create a file - */ - protected void createFile(IContainer folder, String name, InputStream contents, boolean forceFlag) throws JavaScriptModelException { - IFile file= folder.getFile(new Path(name)); - try { - file.create( - contents, - forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, - getSubProgressMonitor(1)); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Convenience method to create a folder - */ - protected void createFolder(IContainer parentFolder, String name, boolean forceFlag) throws JavaScriptModelException { - IFolder folder= parentFolder.getFolder(new Path(name)); - try { - // we should use true to create the file locally. Only VCM should use tru/false - folder.create( - forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, - true, // local - getSubProgressMonitor(1)); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Convenience method to delete an empty package fragment - */ - protected void deleteEmptyPackageFragment( - IPackageFragment fragment, - boolean forceFlag, - IResource rootResource) - throws JavaScriptModelException { - - IContainer resource = (IContainer) fragment.getResource(); - - try { - resource.delete( - forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, - getSubProgressMonitor(1)); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - while (resource instanceof IFolder) { - // deleting a package: delete the parent if it is empty (eg. deleting x.y where folder x doesn't have resources but y) - // without deleting the package fragment root - resource = resource.getParent(); - if (!resource.equals(rootResource) && resource.members().length == 0) { - resource.delete( - forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, - getSubProgressMonitor(1)); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } - } - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Convenience method to delete a resource - */ - protected void deleteResource(IResource resource,int flags) throws JavaScriptModelException { - try { - resource.delete(flags, getSubProgressMonitor(1)); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Convenience method to delete resources - */ - protected void deleteResources(IResource[] resources, boolean forceFlag) throws JavaScriptModelException { - if (resources == null || resources.length == 0) return; - IProgressMonitor subProgressMonitor = getSubProgressMonitor(resources.length); - IWorkspace workspace = resources[0].getWorkspace(); - try { - workspace.delete( - resources, - forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, - subProgressMonitor); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * @see IProgressMonitor - */ - public void done() { - if (progressMonitor != null) { - progressMonitor.done(); - } - } - /* - * Returns whether the given path is equals to one of the given other paths. - */ - protected boolean equalsOneOf(IPath path, IPath[] otherPaths) { - for (int i = 0, length = otherPaths.length; i < length; i++) { - if (path.equals(otherPaths[i])) { - return true; - } - } - return false; - } - /** - * Convenience method to run an operation within this operation - */ - public void executeNestedOperation(JavaModelOperation operation, int subWorkAmount) throws JavaScriptModelException { - IJavaScriptModelStatus status= operation.verify(); - if (!status.isOK()) { - throw new JavaScriptModelException(status); - } - IProgressMonitor subProgressMonitor = getSubProgressMonitor(subWorkAmount); - // fix for 1FW7IKC, part (1) - try { - operation.setNested(true); - operation.run(subProgressMonitor); - } catch (CoreException ce) { - if (ce instanceof JavaScriptModelException) { - throw (JavaScriptModelException)ce; - } else { - // translate the core exception to a java model exception - if (ce.getStatus().getCode() == IResourceStatus.OPERATION_FAILED) { - Throwable e = ce.getStatus().getException(); - if (e instanceof JavaScriptModelException) { - throw (JavaScriptModelException) e; - } - } - throw new JavaScriptModelException(ce); - } - } - } - /** - * Performs the operation specific behavior. Subclasses must override. - */ - protected abstract void executeOperation() throws JavaScriptModelException; - /* - * Returns the attribute registered at the given key with the top level operation. - * Returns null if no such attribute is found. - */ - protected static Object getAttribute(Object key) { - ArrayList stack = getCurrentOperationStack(); - if (stack.size() == 0) return null; - JavaModelOperation topLevelOp = (JavaModelOperation)stack.get(0); - if (topLevelOp.attributes == null) { - return null; - } else { - return topLevelOp.attributes.get(key); - } - } - /** - * Returns the compilation unit the given element is contained in, - * or the element itself (if it is a compilation unit), - * otherwise <code>null</code>. - */ - protected IJavaScriptUnit getCompilationUnitFor(IJavaScriptElement element) { - - return ((JavaElement)element).getJavaScriptUnit(); - } - /* - * Returns the stack of operations running in the current thread. - * Returns an empty stack if no operations are currently running in this thread. - */ - protected static ArrayList getCurrentOperationStack() { - ArrayList stack = (ArrayList)operationStacks.get(); - if (stack == null) { - stack = new ArrayList(); - operationStacks.set(stack); - } - return stack; - } - /* - * Returns the existing document for the given cu, or a DocumentAdapter if none. - */ - protected IDocument getDocument(IJavaScriptUnit cu) throws JavaScriptModelException { - IBuffer buffer = cu.getBuffer(); - if (buffer instanceof IDocument) - return (IDocument) buffer; - return new DocumentAdapter(buffer); - } - /** - * Returns the elements to which this operation applies, - * or <code>null</code> if not applicable. - */ - protected IJavaScriptElement[] getElementsToProcess() { - return elementsToProcess; - } - /** - * Returns the element to which this operation applies, - * or <code>null</code> if not applicable. - */ - protected IJavaScriptElement getElementToProcess() { - if (elementsToProcess == null || elementsToProcess.length == 0) { - return null; - } - return elementsToProcess[0]; - } - /** - * Returns the Java Model this operation is operating in. - */ - public IJavaScriptModel getJavaModel() { - return JavaModelManager.getJavaModelManager().getJavaModel(); - } - protected IPath[] getNestedFolders(IPackageFragmentRoot root) throws JavaScriptModelException { - IPath rootPath = root.getPath(); - IIncludePathEntry[] classpath = root.getJavaScriptProject().getRawIncludepath(); - int length = classpath.length; - IPath[] result = new IPath[length]; - int index = 0; - for (int i = 0; i < length; i++) { - IPath path = classpath[i].getPath(); - if (rootPath.isPrefixOf(path) && !rootPath.equals(path)) { - result[index++] = path; - } - } - if (index < length) { - System.arraycopy(result, 0, result = new IPath[index], 0, index); - } - return result; - } - /** - * Returns the parent element to which this operation applies, - * or <code>null</code> if not applicable. - */ - protected IJavaScriptElement getParentElement() { - if (parentElements == null || parentElements.length == 0) { - return null; - } - return parentElements[0]; - } - /** - * Returns the parent elements to which this operation applies, - * or <code>null</code> if not applicable. - */ - protected IJavaScriptElement[] getParentElements() { - return parentElements; - } - /** - * Returns the elements created by this operation. - */ - public IJavaScriptElement[] getResultElements() { - return resultElements; - } - /* - * Returns the scheduling rule for this operation (i.e. the resource that needs to be locked - * while this operation is running. - * Subclasses can override. - */ - protected ISchedulingRule getSchedulingRule() { - return ResourcesPlugin.getWorkspace().getRoot(); - } - /** - * Creates and returns a subprogress monitor if appropriate. - */ - protected IProgressMonitor getSubProgressMonitor(int workAmount) { - IProgressMonitor sub = null; - if (progressMonitor != null) { - sub = new SubProgressMonitor(progressMonitor, workAmount, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK); - } - return sub; - } - - /** - * Returns whether this operation has performed any resource modifications. - * Returns false if this operation has not been executed yet. - */ - public boolean hasModifiedResource() { - return !this.isReadOnly() && getAttribute(HAS_MODIFIED_RESOURCE_ATTR) == TRUE; - } - public void internalWorked(double work) { - if (progressMonitor != null) { - progressMonitor.internalWorked(work); - } - } - /** - * @see IProgressMonitor - */ - public boolean isCanceled() { - if (progressMonitor != null) { - return progressMonitor.isCanceled(); - } - return false; - } - /** - * Returns <code>true</code> if this operation performs no resource modifications, - * otherwise <code>false</code>. Subclasses must override. - */ - public boolean isReadOnly() { - return false; - } - /* - * Returns whether this operation is the first operation to run in the current thread. - */ - protected boolean isTopLevelOperation() { - ArrayList stack; - return - (stack = getCurrentOperationStack()).size() > 0 - && stack.get(0) == this; - } - /* - * Returns the index of the first registered action with the given id, starting from a given position. - * Returns -1 if not found. - */ - protected int firstActionWithID(String id, int start) { - for (int i = start; i <= this.actionsEnd; i++) { - if (this.actions[i].getID().equals(id)) { - return i; - } - } - return -1; - } - - /** - * Convenience method to move resources - */ - protected void moveResources(IResource[] resources, IPath destinationPath) throws JavaScriptModelException { - IProgressMonitor subProgressMonitor = null; - if (progressMonitor != null) { - subProgressMonitor = new SubProgressMonitor(progressMonitor, resources.length, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK); - } - IWorkspace workspace = resources[0].getWorkspace(); - try { - workspace.move(resources, destinationPath, false, subProgressMonitor); - setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); - } catch (CoreException e) { - throw new JavaScriptModelException(e); - } - } - /** - * Creates and returns a new <code>IJavaScriptElementDelta</code> - * on the Java Model. - */ - public JavaElementDelta newJavaElementDelta() { - return new JavaElementDelta(getJavaModel()); - } - /* - * Removes the last pushed operation from the stack of running operations. - * Returns the poped operation or null if the stack was empty. - */ - protected JavaModelOperation popOperation() { - ArrayList stack = getCurrentOperationStack(); - int size = stack.size(); - if (size > 0) { - if (size == 1) { // top level operation - operationStacks.set(null); // release reference (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=33927) - } - return (JavaModelOperation)stack.remove(size-1); - } else { - return null; - } - } - /* - * Registers the given action to be run when the outer most java model operation has finished. - * The insertion mode controls whether: - * - the action should discard all existing actions with the same id, and be queued at the end (REMOVEALL_APPEND), - * - the action should be ignored if there is already an action with the same id (KEEP_EXISTING), - * - the action should be queued at the end without looking at existing actions (APPEND) - */ - protected void postAction(IPostAction action, int insertionMode) { - if (POST_ACTION_VERBOSE) { - System.out.print("(" + Thread.currentThread() + ") [JavaModelOperation.postAction(IPostAction, int)] Posting action " + action.getID()); //$NON-NLS-1$ //$NON-NLS-2$ - switch(insertionMode) { - case REMOVEALL_APPEND: - System.out.println(" (REMOVEALL_APPEND)"); //$NON-NLS-1$ - break; - case KEEP_EXISTING: - System.out.println(" (KEEP_EXISTING)"); //$NON-NLS-1$ - break; - case APPEND: - System.out.println(" (APPEND)"); //$NON-NLS-1$ - break; - } - } - - JavaModelOperation topLevelOp = (JavaModelOperation)getCurrentOperationStack().get(0); - IPostAction[] postActions = topLevelOp.actions; - if (postActions == null) { - topLevelOp.actions = postActions = new IPostAction[1]; - postActions[0] = action; - topLevelOp.actionsEnd = 0; - } else { - String id = action.getID(); - switch (insertionMode) { - case REMOVEALL_APPEND : - int index = this.actionsStart-1; - while ((index = topLevelOp.firstActionWithID(id, index+1)) >= 0) { - // remove action[index] - System.arraycopy(postActions, index+1, postActions, index, topLevelOp.actionsEnd - index); - postActions[topLevelOp.actionsEnd--] = null; - } - topLevelOp.addAction(action); - break; - case KEEP_EXISTING: - if (topLevelOp.firstActionWithID(id, 0) < 0) { - topLevelOp.addAction(action); - } - break; - case APPEND: - topLevelOp.addAction(action); - break; - } - } - } - /* - * Returns whether the given path is the prefix of one of the given other paths. - */ - protected boolean prefixesOneOf(IPath path, IPath[] otherPaths) { - for (int i = 0, length = otherPaths.length; i < length; i++) { - if (path.isPrefixOf(otherPaths[i])) { - return true; - } - } - return false; - } - /* - * Pushes the given operation on the stack of operations currently running in this thread. - */ - protected void pushOperation(JavaModelOperation operation) { - getCurrentOperationStack().add(operation); - } - /* - * Removes all actions with the given id from the queue of post actions. - * Does nothing if no such action is in the queue. - */ - protected void removeAllPostAction(String actionID) { - if (POST_ACTION_VERBOSE) { - System.out.println("(" + Thread.currentThread() + ") [JavaModelOperation.removeAllPostAction(String)] Removing actions " + actionID); //$NON-NLS-1$ //$NON-NLS-2$ - } - - JavaModelOperation topLevelOp = (JavaModelOperation)getCurrentOperationStack().get(0); - IPostAction[] postActions = topLevelOp.actions; - if (postActions == null) return; - int index = this.actionsStart-1; - while ((index = topLevelOp.firstActionWithID(actionID, index+1)) >= 0) { - // remove action[index] - System.arraycopy(postActions, index+1, postActions, index, topLevelOp.actionsEnd - index); - postActions[topLevelOp.actionsEnd--] = null; - } - } - - /** - * Runs this operation and registers any deltas created. - * - * @see IWorkspaceRunnable - * @exception CoreException if the operation fails - */ - public void run(IProgressMonitor monitor) throws CoreException { - JavaModelManager manager = JavaModelManager.getJavaModelManager(); - DeltaProcessor deltaProcessor = manager.getDeltaProcessor(); - int previousDeltaCount = deltaProcessor.javaModelDeltas.size(); - try { - progressMonitor = monitor; - pushOperation(this); - try { - if (canModifyRoots()) { - // computes the root infos before executing the operation - // noop if aready initialized - JavaModelManager.getJavaModelManager().deltaState.initializeRoots(); - } - - executeOperation(); - } finally { - if (this.isTopLevelOperation()) { - this.runPostActions(); - } - } - } finally { - try { - // reacquire delta processor as it can have been reset during executeOperation() - deltaProcessor = manager.getDeltaProcessor(); - - // update JavaModel using deltas that were recorded during this operation - for (int i = previousDeltaCount, size = deltaProcessor.javaModelDeltas.size(); i < size; i++) { - deltaProcessor.updateJavaModel((IJavaScriptElementDelta)deltaProcessor.javaModelDeltas.get(i)); - } - - // close the parents of the created elements and reset their project's cache (in case we are in an - // IWorkspaceRunnable and the clients wants to use the created element's parent) - // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=83646 - for (int i = 0, length = this.resultElements.length; i < length; i++) { - IJavaScriptElement element = this.resultElements[i]; - Openable openable = (Openable) element.getOpenable(); - if (!(openable instanceof CompilationUnit) || !((CompilationUnit) openable).isWorkingCopy()) { // a working copy must remain a child of its parent even after a move - ((JavaElement) openable.getParent()).close(); - } - switch (element.getElementType()) { - case IJavaScriptElement.PACKAGE_FRAGMENT_ROOT: - case IJavaScriptElement.PACKAGE_FRAGMENT: - deltaProcessor.projectCachesToReset.add(element.getJavaScriptProject()); - break; - } - } - deltaProcessor.resetProjectCaches(); - - // fire only iff: - // - the operation is a top level operation - // - the operation did produce some delta(s) - // - but the operation has not modified any resource - if (this.isTopLevelOperation()) { - if ((deltaProcessor.javaModelDeltas.size() > previousDeltaCount || !deltaProcessor.reconcileDeltas.isEmpty()) - && !this.hasModifiedResource()) { - deltaProcessor.fire(null, DeltaProcessor.DEFAULT_CHANGE_EVENT); - } // else deltas are fired while processing the resource delta - } - } finally { - popOperation(); - } - } - } - /** - * Main entry point for Java Model operations. Runs a Java Model Operation as an IWorkspaceRunnable - * if not read-only. - */ - public void runOperation(IProgressMonitor monitor) throws JavaScriptModelException { - IJavaScriptModelStatus status= verify(); - if (!status.isOK()) { - throw new JavaScriptModelException(status); - } - try { - if (isReadOnly()) { - run(monitor); - } else { - // Use IWorkspace.run(...) to ensure that a build will be done in autobuild mode. - // Note that if the tree is locked, this will throw a CoreException, but this is ok - // as this operation is modifying the tree (not read-only) and a CoreException will be thrown anyway. - ResourcesPlugin.getWorkspace().run(this, getSchedulingRule(), IWorkspace.AVOID_UPDATE, monitor); - } - } catch (CoreException ce) { - if (ce instanceof JavaScriptModelException) { - throw (JavaScriptModelException)ce; - } else { - if (ce.getStatus().getCode() == IResourceStatus.OPERATION_FAILED) { - Throwable e= ce.getStatus().getException(); - if (e instanceof JavaScriptModelException) { - throw (JavaScriptModelException) e; - } - } - throw new JavaScriptModelException(ce); - } - } - } - protected void runPostActions() throws JavaScriptModelException { - while (this.actionsStart <= this.actionsEnd) { - IPostAction postAction = this.actions[this.actionsStart++]; - if (POST_ACTION_VERBOSE) { - System.out.println("(" + Thread.currentThread() + ") [JavaModelOperation.runPostActions()] Running action " + postAction.getID()); //$NON-NLS-1$ //$NON-NLS-2$ - } - postAction.run(); - } - } - /* - * Registers the given attribute at the given key with the top level operation. - */ - protected static void setAttribute(Object key, Object attribute) { - ArrayList operationStack = getCurrentOperationStack(); - if (operationStack.size() == 0) - return; - JavaModelOperation topLevelOp = (JavaModelOperation) operationStack.get(0); - if (topLevelOp.attributes == null) { - topLevelOp.attributes = new HashMap(); - } - topLevelOp.attributes.put(key, attribute); - } - /** - * @see IProgressMonitor - */ - public void setCanceled(boolean b) { - if (progressMonitor != null) { - progressMonitor.setCanceled(b); - } - } - /** - * Sets whether this operation is nested or not. - * @see CreateElementInCUOperation#checkCanceled - */ - protected void setNested(boolean nested) { - isNested = nested; - } - /** - * @see IProgressMonitor - */ - public void setTaskName(String name) { - if (progressMonitor != null) { - progressMonitor.setTaskName(name); - } - } - /** - * @see IProgressMonitor - */ - public void subTask(String name) { - if (progressMonitor != null) { - progressMonitor.subTask(name); - } - } - /** - * Returns a status indicating if there is any known reason - * this operation will fail. Operations are verified before they - * are run. - * - * Subclasses must override if they have any conditions to verify - * before this operation executes. - * - * @see IJavaScriptModelStatus - */ - protected IJavaScriptModelStatus verify() { - return commonVerify(); - } - - /** - * @see IProgressMonitor - */ - public void worked(int work) { - if (progressMonitor != null) { - progressMonitor.worked(work); - checkCanceled(); - } - } -} |