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

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

import javax.xml.transform.TransformerException;

import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.jackrabbit.webdav.xml.DomUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

/**
 * XmlRequestEntity...
 */
public class XmlRequestEntity implements RequestEntity {

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

    private final ByteArrayOutputStream xml = new ByteArrayOutputStream();

    public XmlRequestEntity(Document xmlDocument) throws IOException {
        try {
            DomUtil.transformDocument(xmlDocument, xml);
        } catch (TransformerException e) {
            log.error(e.getMessage());
            throw new IOException(e.getMessage());
        } catch (SAXException e) {
            log.error(e.getMessage());
            throw new IOException(e.getMessage());
        }
    }

    public boolean isRepeatable() {
        return true;
    }

    public String getContentType() {
        // TODO: Shouldn't this be application/xml? See JCR-1621
        return "text/xml; charset=UTF-8";
    }

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

    public long getContentLength() {
        return xml.size();
    }

}