/**
* 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.solr.client.solrj.impl;
import org.apache.solr.client.solrj.SolrRequest;
import org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec;
import org.apache.solr.client.solrj.request.RequestWriter;
import org.apache.solr.client.solrj.request.UpdateRequest;
import org.apache.solr.common.util.ContentStream;
import java.io.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* A RequestWriter which writes requests in the javabin format
*
* @version $Id: BinaryRequestWriter.java 1065312 2011-01-30 16:08:25Z rmuir $
* @see org.apache.solr.client.solrj.request.RequestWriter
* @since solr 1.4
*/
public class BinaryRequestWriter extends RequestWriter {
@Override
public Collection<ContentStream> getContentStreams(SolrRequest req) throws IOException {
if (req instanceof UpdateRequest) {
UpdateRequest updateRequest = (UpdateRequest) req;
if (isNull(updateRequest.getDocuments()) &&
isNull(updateRequest.getDeleteById()) &&
isNull(updateRequest.getDeleteQuery())
&& (updateRequest.getDocIterator() == null) ) {
return null;
}
List<ContentStream> l = new ArrayList<ContentStream>();
l.add(new LazyContentStream(updateRequest));
return l;
} else {
return super.getContentStreams(req);
}
}
@Override
public String getUpdateContentType() {
return "application/octet-stream";
}
@Override
public ContentStream getContentStream(final UpdateRequest request) throws IOException {
final BAOS baos = new BAOS();
new JavaBinUpdateRequestCodec().marshal(request, baos);
return new ContentStream() {
public String getName() {
return null;
}
public String getSourceInfo() {
return "javabin";
}
public String getContentType() {
return "application/octet-stream";
}
public Long getSize() // size if we know it, otherwise null
{
return new Long(baos.size());
}
public InputStream getStream() throws IOException {
return new ByteArrayInputStream(baos.getbuf(), 0, baos.size());
}
public Reader getReader() throws IOException {
throw new RuntimeException("No reader available . this is a binarystream");
}
};
}
@Override
public void write(SolrRequest request, OutputStream os) throws IOException {
if (request instanceof UpdateRequest) {
UpdateRequest updateRequest = (UpdateRequest) request;
new JavaBinUpdateRequestCodec().marshal(updateRequest, os);
}
}/*
* A hack to get access to the protected internal buffer and avoid an additional copy
*/
class BAOS extends ByteArrayOutputStream {
byte[] getbuf() {
return super.buf;
}
}
@Override
public String getPath(SolrRequest req) {
if (req instanceof UpdateRequest) {
return "/update/javabin";
} else {
return req.getPath();
}
}
}