| /******************************************************************************* |
| * Copyright (c) 2004 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.jst.jsp.ui.internal.breakpointproviders; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExecutableExtension; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| import org.eclipse.jdt.debug.core.JDIDebugModel; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITypedRegion; |
| import org.eclipse.jst.jsp.core.text.IJSPPartitions; |
| import org.eclipse.jst.jsp.ui.internal.JSPUIMessages; |
| import org.eclipse.jst.jsp.ui.internal.JSPUIPlugin; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IStorageEditorInput; |
| import org.eclipse.wst.sse.ui.internal.StructuredResourceMarkerAnnotationModel; |
| import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools; |
| import org.eclipse.wst.sse.ui.internal.provisional.extensions.breakpoint.IBreakpointProvider; |
| |
| /** |
| * A IBreakpointProvider supporting JSP breakpoints for a Non-Java Language |
| * Source JSP page |
| */ |
| public class JavaStratumBreakpointProvider implements IBreakpointProvider, IExecutableExtension { |
| private String fClassPattern = null; |
| |
| public IStatus addBreakpoint(IDocument document, IEditorInput input, int editorLineNumber, int offset) throws CoreException { |
| // check if there is a valid position to set breakpoint |
| int pos = getValidPosition(document, editorLineNumber); |
| IStatus status = null; |
| if (pos >= 0) { |
| IResource res = getResourceFromInput(input); |
| if (res != null) { |
| String path = null; //res.getName();// res.getFullPath().removeFirstSegments(2).toString(); |
| IBreakpoint point = JDIDebugModel.createStratumBreakpoint(res, "JSP", res.getName(), path, getClassPattern(), editorLineNumber, pos, pos, 0, true, null); //$NON-NLS-1$ |
| if (point == null) { |
| status = new Status(IStatus.ERROR, JSPUIPlugin.ID, IStatus.ERROR, "unsupported input type", null); //$NON-NLS-1$ |
| } |
| } |
| else if (input instanceof IStorageEditorInput) { |
| // For non-resources, use the workspace root and a coordinated |
| // attribute that is used to |
| // prevent unwanted (breakpoint) markers from being loaded |
| // into the editors. |
| res = ResourcesPlugin.getWorkspace().getRoot(); |
| String id = input.getName(); |
| if (input instanceof IStorageEditorInput && ((IStorageEditorInput) input).getStorage() != null && ((IStorageEditorInput) input).getStorage().getFullPath() != null) { |
| id = ((IStorageEditorInput) input).getStorage().getFullPath().toString(); |
| } |
| Map attributes = new HashMap(); |
| attributes.put(StructuredResourceMarkerAnnotationModel.SECONDARY_ID_KEY, id); |
| String path = null; |
| IBreakpoint point = JDIDebugModel.createStratumBreakpoint(res, "JSP", input.getName(), path, getClassPattern(), editorLineNumber, pos, pos, 0, true, attributes); //$NON-NLS-1$ |
| if (point == null) { |
| status = new Status(IStatus.ERROR, JSPUIPlugin.ID, IStatus.ERROR, "unsupported input type", null); //$NON-NLS-1$ |
| } |
| } |
| } |
| if (status == null) { |
| status = new Status(IStatus.OK, JSPUIPlugin.ID, IStatus.OK, JSPUIMessages.OK, null); |
| } |
| return status; |
| } |
| |
| private String getClassPattern() { |
| return fClassPattern; |
| } |
| |
| |
| public IResource getResource(IEditorInput input) { |
| return getResourceFromInput(input); |
| } |
| |
| private IResource getResourceFromInput(IEditorInput input) { |
| IResource resource = (IResource) input.getAdapter(IFile.class); |
| if (resource == null) { |
| resource = (IResource) input.getAdapter(IResource.class); |
| } |
| return resource; |
| } |
| |
| /** |
| * Finds a valid position somewhere on lineNumber in document, idoc, where |
| * a breakpoint can be set and returns that position. -1 is returned if a |
| * position could not be found. |
| * |
| * @param idoc |
| * @param editorLineNumber |
| * @return position to set breakpoint or -1 if no position could be found |
| */ |
| private int getValidPosition(IDocument idoc, int editorLineNumber) { |
| int result = -1; |
| if (idoc != null) { |
| |
| int startOffset = 0; |
| int endOffset = 0; |
| try { |
| IRegion line = idoc.getLineInformation(editorLineNumber - 1); |
| startOffset = line.getOffset(); |
| endOffset = Math.max(line.getOffset(), line.getOffset() + line.getLength()); |
| |
| String lineText = idoc.get(startOffset, endOffset - startOffset).trim(); |
| |
| // blank lines or lines with only an open or close brace or |
| // scriptlet tag cannot have a breakpoint |
| if (lineText.equals("") || lineText.equals("{") || //$NON-NLS-1$ //$NON-NLS-2$ |
| lineText.equals("}") || lineText.equals("<%")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| result = -1; |
| } |
| else { |
| // get all partitions for current line |
| ITypedRegion[] partitions = null; |
| |
| partitions = idoc.computePartitioning(startOffset, endOffset - startOffset); |
| |
| |
| for (int i = 0; i < partitions.length; ++i) { |
| String type = partitions[i].getType(); |
| // if found jsp java content, jsp directive tags, |
| // custom |
| // tags, |
| // return that position |
| if (type == IJSPPartitions.JSP_CONTENT_JAVA || type == IJSPPartitions.JSP_DIRECTIVE) { |
| result = partitions[i].getOffset(); |
| } |
| } |
| } |
| } |
| catch (BadLocationException e) { |
| result = -1; |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, |
| * java.lang.String, java.lang.Object) |
| */ |
| public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException { |
| if (data != null) { |
| if (data instanceof String && data.toString().length() > 0) { |
| fClassPattern = (String) data; |
| } |
| } |
| } |
| |
| public void setSourceEditingTextTools(ISourceEditingTextTools tools) { |
| // not used |
| } |
| } |