| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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 org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.IBreakpointManager; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jst.jsp.ui.internal.JSPUIMessages; |
| import org.eclipse.jst.jsp.ui.internal.JSPUIPlugin; |
| import org.eclipse.ui.IEditorInput; |
| import org.w3c.dom.Document; |
| |
| /** |
| * A IBreakpointProvider supporting server-side JavaScript as a JSP language |
| * |
| */ |
| public class JavaScriptBreakpointProvider extends AbstractBreakpointProvider { |
| public boolean canAddBreakpoint(IDocument document, IEditorInput input, int lineNumber, int offset) { |
| IResource res = getEditorInputResource(input); |
| Document doc = null; |
| return res != null && !isBreakpointExist(res, lineNumber) && isValidPosition(document, lineNumber) && (getPageLanguage(doc) != JAVA); |
| } |
| |
| |
| public IStatus addBreakpoint(IDocument document, IEditorInput input, int lineNumber, int offset) { |
| int pos = getValidPosition(document, lineNumber); |
| if (pos != NO_VALID_CONTENT && canAddBreakpoint(document, input, lineNumber, offset)) { |
| IResource res = getEditorInputResource(input); |
| if (res != null) { |
| new JavascriptLineBreakpoint(res, lineNumber, pos, pos); |
| } |
| } |
| return new Status(IStatus.OK, JSPUIPlugin.ID, IStatus.OK, JSPUIMessages.OK, null); //$NON-NLS-1$ |
| } |
| |
| /* |
| * @param res @param lineNumber @return boolean |
| */ |
| private boolean isBreakpointExist(IResource res, int lineNumber) { |
| IBreakpointManager manager = DebugPlugin.getDefault().getBreakpointManager(); |
| IBreakpoint[] breakpoints = manager.getBreakpoints(); |
| for (int i = 0; i < breakpoints.length; i++) { |
| if (!(breakpoints[i] instanceof JavascriptLineBreakpoint)) |
| continue; |
| JavascriptLineBreakpoint breakpoint = (JavascriptLineBreakpoint) breakpoints[i]; |
| try { |
| if (breakpoint.getResource().equals(res) && breakpoint.getLineNumber() == lineNumber) { |
| return true; |
| } |
| } |
| catch (CoreException e) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /* |
| * @param doc @param idoc @param lineNumber @return boolean |
| */ |
| private boolean isValidPosition(IDocument idoc, int lineNumber) { |
| return getValidPosition(idoc, lineNumber) != NO_VALID_CONTENT; |
| } |
| |
| public IResource getResource(IEditorInput input) { |
| return getEditorInputResource(input); |
| } |
| } |