/* * Copyright (C) 2009 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.tests.functests.sampleProjects; import com.android.SdkConstants; import com.android.ide.eclipse.adt.internal.project.AndroidManifestHelper; import com.android.xml.AndroidManifest; import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import java.io.File; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.Result; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; /** * Helper class for modifying an AndroidManifest. *
* TODO: consider merging this with AndroidManifestParser. */ class AndroidManifestWriter { private static final Logger sLogger = Logger.getLogger(AndroidManifestWriter.class.getName()); private final Document mDoc; private final String mOsManifestFilePath; private AndroidManifestWriter(Document doc, String osManifestFilePath) { mDoc = doc; mOsManifestFilePath = osManifestFilePath; } /** * Sets the minimum SDK version for this manifest * @param minSdkVersion - the minimim sdk version to use * @returnstrue
on success, false otherwise
*/
public boolean setMinSdkVersion(String minSdkVersion) {
Element usesSdkElement = null;
NodeList nodeList = mDoc.getElementsByTagName(AndroidManifest.NODE_USES_SDK);
if (nodeList.getLength() > 0) {
usesSdkElement = (Element) nodeList.item(0);
} else {
usesSdkElement = mDoc.createElement(AndroidManifest.NODE_USES_SDK);
mDoc.getDocumentElement().appendChild(usesSdkElement);
}
Attr minSdkAttr = mDoc.createAttributeNS(SdkConstants.NS_RESOURCES,
AndroidManifest.ATTRIBUTE_MIN_SDK_VERSION);
String prefix = mDoc.lookupPrefix(SdkConstants.NS_RESOURCES);
minSdkAttr.setPrefix(prefix);
minSdkAttr.setValue(minSdkVersion);
usesSdkElement.setAttributeNodeNS(minSdkAttr);
return saveXmlToFile();
}
private boolean saveXmlToFile() {
try {
// Prepare the DOM document for writing
Source source = new DOMSource(mDoc);
// Prepare the output file
File file = new File(mOsManifestFilePath);
Result result = new StreamResult(file);
// Write the DOM document to the file
Transformer xformer = TransformerFactory.newInstance().newTransformer();
xformer.transform(source, result);
} catch (TransformerConfigurationException e) {
sLogger.log(Level.SEVERE, "Failed to write xml file", e);
return false;
} catch (TransformerException e) {
sLogger.log(Level.SEVERE, "Failed to write xml file", e);
return false;
}
return true;
}
/**
* Parses the manifest file, and collects data.
*
* @param osManifestFilePath The OS path of the manifest file to parse.
* @return an {@link AndroidManifestHelper} or null if parsing failed
*/
public static AndroidManifestWriter parse(String osManifestFilePath) {
try {
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
docFactory.setNamespaceAware(true);
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.parse(osManifestFilePath);
return new AndroidManifestWriter(doc, osManifestFilePath);
} catch (ParserConfigurationException e) {
sLogger.log(Level.SEVERE, "Error parsing file", e);
return null;
} catch (SAXException e) {
sLogger.log(Level.SEVERE, "Error parsing file", e);
return null;
} catch (IOException e) {
sLogger.log(Level.SEVERE, "Error parsing file", e);
return null;
}
}
}