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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.solr.response;
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import java.io.OutputStream;
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import java.io.IOException;
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import java.io.Writer;
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import org.apache.solr.common.SolrDocumentList;
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import org.apache.solr.common.SolrInputDocument;
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import org.apache.solr.request.SolrQueryRequest;
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import org.apache.solr.response.BaseResponseWriter.SingleResponseWriter; // javadocs
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* A generic {@link QueryResponseWriter} implementation that requires a user to
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* {@link #getSingleResponseWriter(OutputStream, SolrQueryRequest, SolrQueryResponse)}
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* that defines a {@link SingleResponseWriter} to handle the binary output.
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* @version $Id: GenericBinaryResponseWriter.java 1004075 2010-10-04 00:36:21Z rmuir $
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public abstract class GenericBinaryResponseWriter extends BaseResponseWriter
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implements BinaryQueryResponseWriter {
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* Writes the binary output data using the {@link SingleResponseWriter}
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* provided by a call to
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* {@link #getSingleResponseWriter(OutputStream, SolrQueryRequest, SolrQueryResponse)}
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* The {@link OutputStream} to write the binary data to.
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* The provided {@link SolrQueryRequest}.
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* The provided {@link SolrQueryResponse}.
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public void write(OutputStream out, SolrQueryRequest request,
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SolrQueryResponse response) throws IOException {
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super.write(getSingleResponseWriter(out, request, response), request,
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* Users of this class should implement this method to define a
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* {@link SingleResponseWriter} responsible for writing the binary output
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* given a {@link SolrDocumentList} or doc-by-doc, given a
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* {@link SolrInputDocument}.
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* The {@link OutputStream} to write the binary data response to.
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* The provided {@link SolrQueryRequest}.
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* The provided {@link SolrQueryResponse}.
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* @return A {@link SingleResponseWriter} that will be used to generate the
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* response output from this {@link QueryResponseWriter}.
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public abstract SingleResponseWriter getSingleResponseWriter(
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OutputStream out, SolrQueryRequest request, SolrQueryResponse response);
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/**Just to throw Exception So that the eimplementing classes do not have to do the same
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public void write(Writer writer, SolrQueryRequest request, SolrQueryResponse response) throws IOException {
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throw new RuntimeException("This is a binary writer , Cannot write to a characterstream");