diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/JobSafeStructuredDocument.java')
-rw-r--r-- | bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/JobSafeStructuredDocument.java | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/JobSafeStructuredDocument.java b/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/JobSafeStructuredDocument.java deleted file mode 100644 index 502b5081b9..0000000000 --- a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/JobSafeStructuredDocument.java +++ /dev/null @@ -1,249 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2009 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.core.internal.text; - -import java.util.Stack; - -import org.eclipse.core.runtime.ISafeRunnable; -import org.eclipse.core.runtime.jobs.ILock; -import org.eclipse.core.runtime.jobs.Job; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.DocumentRewriteSession; -import org.eclipse.jface.text.DocumentRewriteSessionType; -import org.eclipse.wst.sse.core.internal.IExecutionDelegate; -import org.eclipse.wst.sse.core.internal.ILockable; -import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; -import org.eclipse.wst.sse.core.internal.provisional.events.NoChangeEvent; -import org.eclipse.wst.sse.core.internal.provisional.events.StructuredDocumentEvent; - -/** - * An IStructuredDocument that performs most of its computation and event - * notification through an IExecutionDelegate. - * - * If the delegate has not been set, we execute on current thread, like - * "normal". This is the case for normal non-editor use (which should still, - * ultimately, be protected by a scheduling rule). For every operation, a - * runnable is created, even if later (in the execution delegate instance) it - * is decided nothing special is needed (that is, in fact being called from an - * editor's display thread, in which case its just executed) in the UI. - */ -public class JobSafeStructuredDocument extends BasicStructuredDocument implements IExecutionDelegatable, ILockable { - - private static abstract class JobSafeRunnable implements ISafeRunnable { - public void handleException(Throwable exception) { - // logged in SafeRunner - } - } - - private Stack fExecutionDelegates = new Stack(); - private ILock fLockable = Job.getJobManager().newLock(); - - public JobSafeStructuredDocument() { - super(); - } - - - public JobSafeStructuredDocument(RegionParser parser) { - super(parser); - } - - - /** - * - */ - protected final void acquireLock() { - getLockObject().acquire(); - } - - private IExecutionDelegate getExecutionDelegate() { - if (!fExecutionDelegates.isEmpty()) - return (IExecutionDelegate) fExecutionDelegates.peek(); - return null; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.wst.sse.core.ILockable#getLock() - */ - - public ILock getLockObject() { - return fLockable; - } - - - /** - * - */ - protected final void releaseLock() { - getLockObject().release(); - } - - /* - * @see org.eclipse.jface.text.IDocument.replace(int, int, String) - */ - public void replace(final int offset, final int length, final String text) throws BadLocationException { - IExecutionDelegate delegate = getExecutionDelegate(); - if (delegate == null) { - super.replace(offset, length, text); - } - else { - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - JobSafeStructuredDocument.super.replace(offset, length, text); - } - }; - delegate.execute(runnable); - } - } - - /* - * @see org.eclipse.jface.text.IDocumentExtension4.replace(int, int, String, long) - */ - public void replace(final int offset, final int length, final String text, final long modificationStamp) throws BadLocationException { - IExecutionDelegate delegate = getExecutionDelegate(); - if (delegate == null) { - super.replace(offset, length, text, modificationStamp); - } - else { - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - JobSafeStructuredDocument.super.replace(offset, length, text, modificationStamp); - } - }; - delegate.execute(runnable); - } - } - - /* (non-Javadoc) - * @see org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument#replaceText(java.lang.Object, int, int, java.lang.String) - */ - public StructuredDocumentEvent replaceText(final Object requester, final int start, final int replacementLength, final String changes) { - StructuredDocumentEvent event = null; - IExecutionDelegate delegate = getExecutionDelegate(); - if (delegate == null) { - event = super.replaceText(requester, start, replacementLength, changes); - } - else { - final Object[] resultSlot = new Object[1]; - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - resultSlot[0] = JobSafeStructuredDocument.super.replaceText(requester, start, replacementLength, changes); - } - }; - delegate.execute(runnable); - event = (StructuredDocumentEvent) resultSlot[0]; - } - return event; - } - - /* (non-Javadoc) - * @see org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument#replaceText(java.lang.Object, int, int, java.lang.String, boolean) - */ - public StructuredDocumentEvent replaceText(final Object requester, final int start, final int replacementLength, final String changes, final boolean ignoreReadOnlySettings) { - StructuredDocumentEvent event = null; - IExecutionDelegate delegate = getExecutionDelegate(); - if (delegate == null) { - event = super.replaceText(requester, start, replacementLength, changes, ignoreReadOnlySettings); - } - else { - final Object[] resultSlot = new Object[1]; - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - resultSlot[0] = JobSafeStructuredDocument.super.replaceText(requester, start, replacementLength, changes, ignoreReadOnlySettings); - } - - public void handleException(Throwable exception) { - resultSlot[0] = new NoChangeEvent(JobSafeStructuredDocument.this, requester, changes, start, replacementLength); - super.handleException(exception); - } - }; - delegate.execute(runnable); - event = (StructuredDocumentEvent) resultSlot[0]; - } - return event; - } - - public void setExecutionDelegate(IExecutionDelegate delegate) { - if (delegate != null) - fExecutionDelegates.push(delegate); - else if (!fExecutionDelegates.isEmpty()) - fExecutionDelegates.pop(); - } - - public StructuredDocumentEvent setText(final Object requester, final String theString) { - StructuredDocumentEvent event = null; - IExecutionDelegate executionDelegate = getExecutionDelegate(); - if (executionDelegate == null) { - event = super.setText(requester, theString); - } - else { - final Object[] resultSlot = new Object[1]; - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - resultSlot[0] = JobSafeStructuredDocument.super.setText(requester, theString); - } - public void handleException(Throwable exception) { - resultSlot[0] = new NoChangeEvent(JobSafeStructuredDocument.this, requester, theString, 0, 0); - super.handleException(exception); - } - }; - executionDelegate.execute(runnable); - event = (StructuredDocumentEvent) resultSlot[0]; - } - return event; - } - - public DocumentRewriteSession startRewriteSession(DocumentRewriteSessionType sessionType) throws IllegalStateException { - DocumentRewriteSession session = null; - IExecutionDelegate executionDelegate = getExecutionDelegate(); - if (executionDelegate == null) { - session = internalStartRewriteSession(sessionType); - } - else { - final Object[] resultSlot = new Object[1]; - final DocumentRewriteSessionType finalSessionType = sessionType; - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - resultSlot[0] = internalStartRewriteSession(finalSessionType); - } - }; - executionDelegate.execute(runnable); - if (resultSlot[0] instanceof Throwable) { - throw new RuntimeException((Throwable) resultSlot[0]); - } - else { - session = (DocumentRewriteSession) resultSlot[0]; - } - } - return session; - } - - public void stopRewriteSession(DocumentRewriteSession session) { - IExecutionDelegate executionDelegate = getExecutionDelegate(); - if (executionDelegate == null) { - internalStopRewriteSession(session); - } - else { - final DocumentRewriteSession finalSession = session; - JobSafeRunnable runnable = new JobSafeRunnable() { - public void run() throws Exception { - internalStopRewriteSession(finalSession); - } - }; - executionDelegate.execute(runnable); - } - } - - -} |