com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb.JAXBPlistParser.java Source code

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Here is the source code for com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb.JAXBPlistParser.java

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/*
 * #%L
 * xcode-project-reader
 * %%
 * Copyright (C) 2012 SAP AG
 * %%
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * 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.
 * #L%
 */
package com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.ValidationEvent;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;

import org.apache.commons.lang3.SystemUtils;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

import com.sap.prd.mobile.ios.mios.xcodeprojreader.Plist;

public class JAXBPlistParser {
    private static final String xmlHeaders = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">";

    public Plist load(String projectFile)
            throws SAXException, ParserConfigurationException, FileNotFoundException, JAXBException {
        return load(new File(projectFile));
    }

    public Plist load(File projectFile)
            throws SAXException, ParserConfigurationException, FileNotFoundException, JAXBException {
        InputSource project = new InputSource(new FileReader(projectFile));
        return unmarshallPlist(project);
    }

    public Plist load(InputSource project) throws SAXException, ParserConfigurationException, JAXBException {
        return unmarshallPlist(project);
    }

    private Plist unmarshallPlist(InputSource project)
            throws SAXException, ParserConfigurationException, JAXBException {
        InputSource dtd = new InputSource(this.getClass().getResourceAsStream("/PropertyList-1.0.dtd"));
        SAXSource ss = createSAXSource(project, dtd);
        JAXBContext ctx = JAXBContext.newInstance(com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb.JAXBPlist.class);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();

        // unexpected elements should cause an error
        unmarshaller.setEventHandler(new ValidationEventHandler() {
            @Override
            public boolean handleEvent(ValidationEvent event) {
                return false;
            }
        });

        return (Plist) unmarshaller.unmarshal(ss);
    }

    private SAXSource createSAXSource(InputSource project, final InputSource dtd)
            throws SAXException, ParserConfigurationException {
        XMLReader xmlReader = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
        xmlReader.setEntityResolver(new EntityResolver() {
            @Override
            public InputSource resolveEntity(String pid, String sid) throws SAXException {
                if (sid.equals("http://www.apple.com/DTDs/PropertyList-1.0.dtd"))
                    return dtd;
                throw new SAXException("unable to resolve remote entity, sid = " + sid);
            }
        });
        SAXSource ss = new SAXSource(xmlReader, project);
        return ss;
    }

    public void save(Plist plist, String projectFile) throws JAXBException {
        save(plist, new File(projectFile));
    }

    public void save(Plist plist, File projectFile) throws JAXBException {
        try {
            save(plist, new FileWriter(projectFile));
        } catch (IOException ex) {
            throw new JAXBException(ex);
        }
    }

    public void save(Plist plist, Writer projectFile) throws JAXBException {
        marshallPlist(plist, projectFile);
    }

    private void marshallPlist(Plist plist, Writer projectFile) throws JAXBException {
        JAXBContext ctx = JAXBContext.newInstance(com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb.JAXBPlist.class);
        Marshaller marshaller = ctx.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        try {
            marshaller.setProperty("com.sun.xml.internal.bind.xmlHeaders", xmlHeaders);
        } catch (PropertyException ex) {
            marshaller.setProperty("com.sun.xml.bind.xmlHeaders", xmlHeaders);
        }
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
        marshaller.marshal(plist, projectFile);
    }

    public void convert(String projectFile, String destinationProjectFile) throws IOException {
        convert(new File(projectFile), new File(destinationProjectFile));
    }

    public void convert(File projectFile, File destinationProjectFile) throws IOException {
        if (!SystemUtils.IS_OS_MAC_OSX) {
            throw new UnsupportedOperationException(
                    "The pbxproj file conversion can only be performed on a Mac OS X "
                            + "operating system as the Mac OS X specific tool 'plutil' gets called.");
        }
        Process exec = Runtime.getRuntime().exec(new String[] { "plutil", "-convert", "xml1", "-o",
                destinationProjectFile.getAbsolutePath(), projectFile.getAbsolutePath() });
        try {
            exec.waitFor();
        } catch (InterruptedException e) {
        }

        if (exec.exitValue() != 0) {
            throw new RuntimeException("Could not convert file (Exit Code: " + exec.exitValue() + ")");
        }
    }
}