SOLR-973 -- CommonsHttpSolrServer writes the xml directly to the server

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@747790 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -193,6 +193,9 @@ Optimizations
  7. SOLR-921: SolrResourceLoader must cache short class name vs fully qualified classname 
     (Noble Paul, hossman via shalin)
 
+ 8. SOLR-973: CommonsHttpSolrServer writes the xml directly to the server.
+    (Noble Paul via shalin)
+
 Bug Fixes
 ----------------------
  1. SOLR-774: Fixed logging level display (Sean Timm via Otis Gospodnetic)

src/solrj/org/apache/solr/client/solrj/impl/BinaryRequestWriter.java

@@ -43,13 +43,25 @@ public class BinaryRequestWriter extends RequestWriter {
               isNull(updateRequest.getDeleteById()) &&
               isNull(updateRequest.getDeleteQuery())) {
         return null;
+      }
+      List<ContentStream> l = new ArrayList<ContentStream>();
+      l.add(new LazyContentStream(updateRequest));
+      return l;
+    } else {
+      return super.getContentStreams(req);
+    }
 
   }
 
+
+  public String getUpdateContentType() {
+    return "application/octet-stream";
+  }
+
+  public ContentStream getContentStream(final UpdateRequest request) throws IOException {
     final BAOS baos = new BAOS();
-      new JavaBinUpdateRequestCodec().marshal(updateRequest, baos);
-      List<ContentStream> l = new ArrayList<ContentStream>(1);
-      l.add(new ContentStream() {
+      new JavaBinUpdateRequestCodec().marshal(request, baos);
+    return new ContentStream() {
       public String getName() {
         return null;
       }
@@ -74,20 +86,17 @@ public class BinaryRequestWriter extends RequestWriter {
       public Reader getReader() throws IOException {
         throw new RuntimeException("No reader available . this is a binarystream");
       }
-      });
-
-      return l;
-    } else {
-      return super.getContentStreams(req);
+    };
   }
 
+
+  public void write(SolrRequest request, OutputStream os) throws IOException {
+    if (request instanceof UpdateRequest) {
+      UpdateRequest updateRequest = (UpdateRequest) request;
+      new JavaBinUpdateRequestCodec().marshal(updateRequest, os);
     } 
 
-  private boolean isNull(List l) {
-    return l == null || l.isEmpty();
-  }
-
-  /*
+  }/*
    * A hack to get access to the protected internal buffer and avoid an additional copy 
    */
   class BAOS extends ByteArrayOutputStream {

src/solrj/org/apache/solr/client/solrj/impl/CommonsHttpSolrServer.java

@@ -41,6 +41,7 @@ import org.apache.commons.httpclient.NoHttpResponseException;
 import org.apache.commons.httpclient.methods.GetMethod;
 import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
 import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.commons.httpclient.methods.RequestEntity;
 import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
 import org.apache.commons.httpclient.methods.multipart.Part;
 import org.apache.commons.httpclient.methods.multipart.PartBase;
@@ -355,12 +356,34 @@ public class CommonsHttpSolrServer extends SolrServer
 
               // Single stream as body
               // Using a loop just to get the first one
+              final ContentStream[] contentStream = new ContentStream[1];
               for (ContentStream content : streams) {
-                post.setRequestEntity(
-                    new InputStreamRequestEntity( content.getStream(), content.getContentType())
-                );
+                contentStream[0] = content;
                 break;
               }
+              if (contentStream[0] instanceof RequestWriter.LazyContentStream) {
+                post.setRequestEntity(new RequestEntity() {
+                  public long getContentLength() {
+                    return -1;
+                  }
+
+                  public String getContentType() {
+                    return contentStream[0].getContentType();
+                  }
+
+                  public boolean isRepeatable() {
+                    return false;
+                  }
+
+                  public void writeRequest(OutputStream outputStream) throws IOException {
+                    ((RequestWriter.LazyContentStream) contentStream[0]).writeTo(outputStream);
+                  }
+                }
+                );
+
+              } else {
+                post.setRequestEntity(new InputStreamRequestEntity(contentStream[0].getStream(), contentStream[0].getContentType()));
+              }
               method = post;
             }
           }

src/solrj/org/apache/solr/client/solrj/request/RequestWriter.java

@@ -18,26 +18,114 @@
 package org.apache.solr.client.solrj.request;
 
 import org.apache.solr.client.solrj.SolrRequest;
+import org.apache.solr.client.solrj.util.ClientUtils;
 import org.apache.solr.common.util.ContentStream;
+import org.apache.solr.common.util.ContentStreamBase;
 
-import java.io.IOException;
+import java.io.*;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 
 /**
  * A RequestWriter is used to write requests to Solr.
  * <p/>
  * A subclass can override the methods in this class to supply a custom format in which a request can be sent.
- * @since solr 1.4
+ *
  * @version $Id$
+ * @since solr 1.4
  */
 public class RequestWriter {
 
   public Collection<ContentStream> getContentStreams(SolrRequest req) throws IOException {
+    if (req instanceof UpdateRequest) {
+      UpdateRequest updateRequest = (UpdateRequest) req;
+      if (isEmpty(updateRequest)) return null;
+      List<ContentStream> l = new ArrayList<ContentStream>();
+      l.add(new LazyContentStream(updateRequest));
+      return l;
+    }
     return req.getContentStreams();
   }
 
+  private boolean isEmpty(UpdateRequest updateRequest) {
+    return isNull(updateRequest.getDocuments()) &&
+            isNull(updateRequest.getDeleteById()) &&
+            isNull(updateRequest.getDeleteQuery());
+  }
+
   public String getPath(SolrRequest req) {
     return req.getPath();
   }
 
+  public ContentStream getContentStream(UpdateRequest req) throws IOException {
+    return new ContentStreamBase.StringStream(req.getXML());
+  }
+
+  public void write(SolrRequest request, OutputStream os) throws IOException {
+    if (request instanceof UpdateRequest) {
+      UpdateRequest updateRequest = (UpdateRequest) request;
+      OutputStreamWriter writer = new OutputStreamWriter(os);
+      updateRequest.writeXML(writer);
+      writer.flush();
+    }
+  }
+
+  public String getUpdateContentType() {
+    return ClientUtils.TEXT_XML;
+
+  }
+
+  public class LazyContentStream implements ContentStream {
+    ContentStream contentStream = null;
+    UpdateRequest req = null;
+
+    public LazyContentStream(UpdateRequest req) {
+      this.req = req;
+    }
+
+    private ContentStream getDelegate() {
+      if (contentStream == null) {
+        try {
+          contentStream = getContentStream(req);
+        } catch (IOException e) {
+          throw new RuntimeException("Unable to write xml into a stream", e);
+        }
+      }
+      return contentStream;
+    }
+
+    public String getName() {
+      return getDelegate().getName();
+    }
+
+    public String getSourceInfo() {
+      return getDelegate().getSourceInfo();
+    }
+
+    public String getContentType() {
+      return getUpdateContentType();
+    }
+
+    public Long getSize() {
+      return getDelegate().getSize();
+    }
+
+    public InputStream getStream() throws IOException {
+      return getDelegate().getStream();
+    }
+
+    public Reader getReader() throws IOException {
+      return getDelegate().getReader();
+    }
+
+    public void writeTo(OutputStream os) throws IOException {
+      write(req, os);
+
+    }
+  }
+
+  protected boolean isNull(List l) {
+    return l == null || l.isEmpty();
+  }
 }