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/*******************************************************************************
* 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 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);
}
}
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