/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.common.project;
import com.android.ide.eclipse.common.AndroidConstants;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;
/**
* XML error handler used by the parser to report errors/warnings.
*/
public class XmlErrorHandler extends DefaultHandler {
/** file being parsed */
private IFile mFile;
/** link to the delta visitor, to set the xml error flag */
private XmlErrorListener mErrorListener;
/**
* Classes which implement this interface provide a method that deals
* with XML errors.
*/
public interface XmlErrorListener {
/**
* Sent when an XML error is detected.
*/
public void errorFound();
}
public static class BasicXmlErrorListener implements XmlErrorListener {
public boolean mHasXmlError = false;
public void errorFound() {
mHasXmlError = true;
}
}
public XmlErrorHandler(IFile file, XmlErrorListener errorListener) {
mFile = file;
mErrorListener = errorListener;
}
/**
* Xml Error call back
* @param exception the parsing exception
* @throws SAXException
*/
@Override
public void error(SAXParseException exception) throws SAXException {
handleError(exception, exception.getLineNumber());
}
/**
* Xml Fatal Error call back
* @param exception the parsing exception
* @throws SAXException
*/
@Override
public void fatalError(SAXParseException exception) throws SAXException {
handleError(exception, exception.getLineNumber());
}
/**
* Xml Warning call back
* @param exception the parsing exception
* @throws SAXException
*/
@Override
public void warning(SAXParseException exception) throws SAXException {
if (mFile != null) {
BaseProjectHelper.addMarker(mFile,
AndroidConstants.MARKER_XML,
exception.getMessage(),
exception.getLineNumber(),
IMarker.SEVERITY_WARNING);
}
}
protected final IFile getFile() {
return mFile;
}
/**
* Handles a parsing error and an optional line number.
* @param exception
* @param lineNumber
*/
protected void handleError(Exception exception, int lineNumber) {
if (mErrorListener != null) {
mErrorListener.errorFound();
}
if (mFile != null) {
if (lineNumber != -1) {
BaseProjectHelper.addMarker(mFile,
AndroidConstants.MARKER_XML,
exception.getMessage(),
lineNumber,
IMarker.SEVERITY_ERROR);
} else {
BaseProjectHelper.addMarker(mFile,
AndroidConstants.MARKER_XML,
exception.getMessage(),
IMarker.SEVERITY_ERROR);
}
}
}
}
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