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/*
* 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.adt.internal.project;
import com.android.ide.common.xml.AndroidManifestParser.ManifestErrorHandler;
import com.android.ide.eclipse.adt.AdtConstants;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaProject;
import org.xml.sax.Locator;
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 implements ManifestErrorHandler {
private final IJavaProject mJavaProject;
/** file being parsed */
private final IFile mFile;
/** link to the delta visitor, to set the xml error flag */
private final 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;
@Override
public void errorFound() {
mHasXmlError = true;
}
}
public XmlErrorHandler(IJavaProject javaProject, IFile file, XmlErrorListener errorListener) {
mJavaProject = javaProject;
mFile = file;
mErrorListener = errorListener;
}
public XmlErrorHandler(IFile file, XmlErrorListener errorListener) {
this(null, file, 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.markResource(mFile,
AdtConstants.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
*/
@Override
public void handleError(Exception exception, int lineNumber) {
if (mErrorListener != null) {
mErrorListener.errorFound();
}
String message = exception.getMessage();
if (message == null) {
message = "Unknown error " + exception.getClass().getCanonicalName();
}
if (mFile != null) {
BaseProjectHelper.markResource(mFile,
AdtConstants.MARKER_XML,
message,
lineNumber,
IMarker.SEVERITY_ERROR);
}
}
/**
* Checks that a class is valid and can be used in the Android Manifest.
* <p/>
* Errors are put as {@link IMarker} on the manifest file.
* @param locator
* @param className the fully qualified name of the class to test.
* @param superClassName the fully qualified name of the class it is supposed to extend.
* @param testVisibility if <code>true</code>, the method will check the visibility of
* the class or of its constructors.
*/
@Override
public void checkClass(Locator locator, String className, String superClassName,
boolean testVisibility) {
if (mJavaProject == null) {
return;
}
// we need to check the validity of the activity.
String result = BaseProjectHelper.testClassForManifest(mJavaProject,
className, superClassName, testVisibility);
if (result != BaseProjectHelper.TEST_CLASS_OK) {
// get the line number
int line = locator.getLineNumber();
// mark the file
IMarker marker = BaseProjectHelper.markResource(getFile(),
AdtConstants.MARKER_ANDROID, result, line, IMarker.SEVERITY_ERROR);
// add custom attributes to be used by the manifest editor.
if (marker != null) {
try {
marker.setAttribute(AdtConstants.MARKER_ATTR_TYPE,
AdtConstants.MARKER_ATTR_TYPE_ACTIVITY);
marker.setAttribute(AdtConstants.MARKER_ATTR_CLASS, className);
} catch (CoreException e) {
}
}
}
}
}
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