xmlrequestentity.java

jsr170接口的java实现。是个apache的开源项目。

/*
 * 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.w3c.dom.Document;

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

/**
 * <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();
        OutputFormat format = new OutputFormat("xml", "UTF-8", false);
        XMLSerializer serializer = new XMLSerializer(out, format);
        serializer.setNamespaces(true);
        serializer.asDOMSerializer().serialize(xmlDocument);
        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();
    }
}