org.apache.jackrabbit.webdav.client.methods.XmlRequestEntity.java Source code

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Here is the source code for org.apache.jackrabbit.webdav.client.methods.XmlRequestEntity.java

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package org.apache.jackrabbit.webdav.client.methods;

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.w3c.dom.Document;

import java.io.OutputStream;
import java.io.IOException;
import java.io.ByteArrayOutputStream;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

/**
 * <code>XmlRequestEntity</code>...
 */
public class XmlRequestEntity implements RequestEntity {

    private static Logger log = LoggerFactory.getLogger(XmlRequestEntity.class);

    private final RequestEntity delegatee;

    public XmlRequestEntity(Document xmlDocument) throws IOException {
        super();
        ByteArrayOutputStream out = new ByteArrayOutputStream();

        try {
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory.newTransformer();
            transformer.setOutputProperty(OutputKeys.METHOD, "xml");
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
            transformer.setOutputProperty(OutputKeys.INDENT, "no");
            transformer.transform(new DOMSource(xmlDocument), new StreamResult(out));
        } catch (TransformerException e) {
            log.error("XML serialization failed", e);
            IOException exception = new IOException("XML serialization failed");
            exception.initCause(e);
            throw exception;
        }

        delegatee = new StringRequestEntity(out.toString(), "text/xml", "UTF-8");
    }

    public boolean isRepeatable() {
        return delegatee.isRepeatable();
    }

    public String getContentType() {
        return delegatee.getContentType();
    }

    public void writeRequest(OutputStream out) throws IOException {
        delegatee.writeRequest(out);
    }

    public long getContentLength() {
        return delegatee.getContentLength();
    }
}