Android Open Source - cat-walk Simple Xml Converter

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License

The source code is released under:

MIT License

Java Source Code

/*
 * There was already a snippet on GitHub for converting XML, so I just nabbed
 * it from here://  www . ja  v a 2s .c  o m
 * 
 * https://github.com/mobile-professionals/retrofit-simplexmlconverter
 * 
 * 
 * Copyright (C) 2013 Mobile Professionals
 *
 * 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.
 */
package net.rdyonline.catwalk.data.converter;

import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Persister;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Type;

import retrofit.converter.ConversionException;
import retrofit.converter.Converter;
import retrofit.mime.MimeUtil;
import retrofit.mime.TypedInput;
import retrofit.mime.TypedOutput;

/**
 * A {@link retrofit.converter.Converter} which uses Simple XML for serialization and deserialization of entities.
 *
 * @see <a href="http://simple.sourceforge.net/">http://simple.sourceforge.net/</a>
 *
 * @author Sebastian Engel (s.engel@mobile-professionals.com)
 */
public class SimpleXmlConverter implements Converter {

    private Serializer serializer;

    /**
     * Constructs a SimpleXmlConverter using an instance of {@link Persister} as serializer.
     */
    public SimpleXmlConverter() {
        this.serializer = new Persister();
    }

    /**
     * Constructs a SimpleXmlConverter using the given serializer.
     *
     * @param serializer custom serializer
     */
    public SimpleXmlConverter(Serializer serializer) {
        this.serializer = serializer;
    }

    @Override
    public Object fromBody(TypedInput body, Type type) throws ConversionException {
        String charset = "UTF-8";
        if (body.mimeType() != null) {
            charset = MimeUtil.parseCharset(body.mimeType());
        }

        try {
            InputStreamReader isr = new InputStreamReader(body.in(), charset);
            return serializer.read((Class<?>) type, isr);
        } catch (Exception e) {
            throw new ConversionException(e);
        }
    }

    @Override
    public TypedOutput toBody(Object object) {
        StringWriter stringWriter = new StringWriter();
        try {
            serializer.write(object, stringWriter);
            return new XmlTypedOutput(stringWriter.toString().getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            throw new AssertionError(e);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    private static class XmlTypedOutput implements TypedOutput {

        private final byte[] xmlBytes;

        XmlTypedOutput(byte[] xmlBytes) {
            this.xmlBytes = xmlBytes;
        }

        @Override
        public String fileName() {
            return null;
        }

        @Override
        public String mimeType() {
            return "application/xml; charset=UTF-8";
        }

        @Override
        public long length() {
            return xmlBytes.length;
        }

        @Override
        public void writeTo(OutputStream out) throws IOException {
            out.write(xmlBytes);
        }
    }

}

Java Source Code List

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