You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@cxf.apache.org by dk...@apache.org on 2009/07/15 22:17:12 UTC

svn commit: r794396 - in /cxf/trunk: common/common/src/main/java/org/apache/cxf/staxutils/ common/common/src/test/java/org/apache/cxf/staxutils/ rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/ rt/core/src/main/java/org/apache/cx...

Author: dkulp
Date: Wed Jul 15 20:17:11 2009
New Revision: 794396

URL: http://svn.apache.org/viewvc?rev=794396&view=rev
Log:
[CXF-2342] Update to use pools of XMLInputFactory/XMLOutputFactory
objects
Modified patch from Kevin Conaway applied

Modified:
    cxf/trunk/common/common/src/main/java/org/apache/cxf/staxutils/StaxUtils.java
    cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/DepthXMLStreamReaderTest.java
    cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/FragmentStreamReaderTest.java
    cxf/trunk/rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/URIParameterInInterceptor.java
    cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxInInterceptor.java
    cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxOutInterceptor.java
    cxf/trunk/systests/src/test/java/org/apache/cxf/systest/versioning/MediatorInInterceptor.java

Modified: cxf/trunk/common/common/src/main/java/org/apache/cxf/staxutils/StaxUtils.java
URL: http://svn.apache.org/viewvc/cxf/trunk/common/common/src/main/java/org/apache/cxf/staxutils/StaxUtils.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/common/common/src/main/java/org/apache/cxf/staxutils/StaxUtils.java (original)
+++ cxf/trunk/common/common/src/main/java/org/apache/cxf/staxutils/StaxUtils.java Wed Jul 15 20:17:11 2009
@@ -23,9 +23,9 @@
 import java.io.OutputStream;
 import java.io.Reader;
 import java.io.Writer;
-//import java.util.HashMap;
-//import java.util.Map;
 import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
 import java.util.logging.Logger;
 
 import javax.xml.namespace.NamespaceContext;
@@ -75,23 +75,27 @@
 
     private static final Logger LOG = LogUtils.getL7dLogger(StaxUtils.class);
     
-    private static final XMLInputFactory XML_NS_AWARE_INPUT_FACTORY = XMLInputFactory.newInstance();
-    private static final XMLInputFactory XML_INPUT_FACTORY = XMLInputFactory.newInstance();
-    private static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newInstance();
+    private static final BlockingQueue<XMLInputFactory> NS_AWARE_INPUT_FACTORY_POOL;
+    private static final BlockingQueue<XMLOutputFactory> OUTPUT_FACTORY_POOL;
     
     private static final String XML_NS = "http://www.w3.org/2000/xmlns/";
     
     static {
+        int i = 20;
+    
         try {
-            XML_INPUT_FACTORY.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, false);
-        } catch (Exception e) {
-            //ignore
+            String s = System.getProperty("org.apache.cxf.staxutils.pool-size",
+                                          "-1");
+            i = Integer.parseInt(s);
+        } catch (Throwable t) {
+            //ignore 
+            i = 20;
         }
-        try {
-            XML_NS_AWARE_INPUT_FACTORY.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, true);
-        } catch (Exception ex) {
-            //ignore
+        if (i <= 0) {
+            i = 20;
         }
+        NS_AWARE_INPUT_FACTORY_POOL = new LinkedBlockingQueue<XMLInputFactory>(i);
+        OUTPUT_FACTORY_POOL = new LinkedBlockingQueue<XMLOutputFactory>(i);
     }
     
     private StaxUtils() {
@@ -117,17 +121,29 @@
      * Return a cached, namespace-aware, factory.
      * @return
      */
-    public static XMLInputFactory getXMLInputFactory() {
-        return getXMLInputFactory(true);
+    private static XMLInputFactory getXMLInputFactory() {
+        XMLInputFactory f = NS_AWARE_INPUT_FACTORY_POOL.poll();
+        if (f == null) {
+            f = XMLInputFactory.newInstance();
+            f.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, true);
+        }
+        return f;
     }
     
-    /**
-     * Return a cached factory.
-     * @param nsAware
-     * @return
-     */
-    public static XMLInputFactory getXMLInputFactory(boolean nsAware) {
-        return nsAware ? XML_NS_AWARE_INPUT_FACTORY : XML_INPUT_FACTORY;
+    private static void returnXMLInputFactory(XMLInputFactory factory) {
+        NS_AWARE_INPUT_FACTORY_POOL.offer(factory);
+    }
+    
+    private static XMLOutputFactory getXMLOutputFactory() {
+        XMLOutputFactory f = OUTPUT_FACTORY_POOL.poll();
+        if (f == null) {
+            f = XMLOutputFactory.newInstance();
+        }
+        return f;
+    }
+    
+    private static void returnXMLOutputFactory(XMLOutputFactory factory) {
+        OUTPUT_FACTORY_POOL.offer(factory);
     }
     
     /**
@@ -141,18 +157,16 @@
         return factory;
     }
 
-    public static XMLOutputFactory getXMLOutputFactory() {
-        return XML_OUTPUT_FACTORY;
-    }
+    
 
     public static XMLStreamWriter createXMLStreamWriter(Writer out) {
+        XMLOutputFactory factory = getXMLOutputFactory();
         try {
-            XMLOutputFactory factory = getXMLOutputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamWriter(out);
-            }
+            return factory.createXMLStreamWriter(out);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Cant' create XMLStreamWriter", e);
+        } finally {
+            returnXMLOutputFactory(factory);
         }
     } 
     
@@ -164,36 +178,35 @@
         if (encoding == null) {
             encoding = "UTF-8";
         }
-
+        XMLOutputFactory factory = getXMLOutputFactory();
         try {
-            XMLOutputFactory factory = getXMLOutputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamWriter(out, encoding);
-            }
+            return factory.createXMLStreamWriter(out, encoding);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Cant' create XMLStreamWriter", e);
+        } finally {
+            returnXMLOutputFactory(factory);
         }
     }
     
     public static XMLStreamWriter createXMLStreamWriter(Result r) {
+        XMLOutputFactory factory = getXMLOutputFactory();
         try {
-            XMLOutputFactory factory = getXMLOutputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamWriter(r);
-            }
+            return factory.createXMLStreamWriter(r);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Cant' create XMLStreamWriter", e);
+        } finally {
+            returnXMLOutputFactory(factory);
         }
     }
 
     public static XMLStreamReader createFilteredReader(XMLStreamReader reader, StreamFilter filter) {
+        XMLInputFactory factory = getXMLInputFactory();
         try {
-            XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
-                return factory.createFilteredReader(reader, filter);
-            }
+            return factory.createFilteredReader(reader, filter);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Cant' create XMLStreamReader", e);
+        } finally {
+            returnXMLInputFactory(factory);
         }
     }
 
@@ -857,13 +870,13 @@
             encoding = "UTF-8";
         }
 
+        XMLInputFactory factory = getXMLInputFactory();
         try {
-            XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamReader(in, encoding);
-            }
+            return factory.createXMLStreamReader(in, encoding);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Couldn't parse stream.", e);
+        } finally {
+            returnXMLInputFactory(factory);
         }
     }
 
@@ -872,23 +885,23 @@
      * @return
      */
     public static XMLStreamReader createXMLStreamReader(InputStream in) {
+        XMLInputFactory factory = getXMLInputFactory();
         try {
-            XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamReader(in);
-            }
+            return factory.createXMLStreamReader(in);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Couldn't parse stream.", e);
+        } finally {
+            returnXMLInputFactory(factory);
         }
     }
     public static XMLStreamReader createXMLStreamReader(String systemId, InputStream in) {
+        XMLInputFactory factory = getXMLInputFactory();
         try {
-            XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamReader(systemId, in);
-            }
+            return factory.createXMLStreamReader(systemId, in);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Couldn't parse stream.", e);
+        } finally {
+            returnXMLInputFactory(factory);
         }
     }
     
@@ -914,9 +927,12 @@
                     return new W3CDOMStreamReader(el);
                 }
             }
+            
             XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
+            try {
                 return factory.createXMLStreamReader(source);
+            } finally {
+                returnXMLInputFactory(factory);
             }
         } catch (XMLStreamException e) {
             throw new RuntimeException("Couldn't parse stream.", e);
@@ -928,14 +944,13 @@
      * @return
      */
     public static XMLStreamReader createXMLStreamReader(Reader reader) {
-
+        XMLInputFactory factory = getXMLInputFactory();
         try {
-            XMLInputFactory factory = getXMLInputFactory();
-            synchronized (factory) {
-                return factory.createXMLStreamReader(reader);
-            }
+            return factory.createXMLStreamReader(reader);
         } catch (XMLStreamException e) {
             throw new RuntimeException("Couldn't parse stream.", e);
+        } finally {
+            returnXMLInputFactory(factory);
         }
     }
 

Modified: cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/DepthXMLStreamReaderTest.java
URL: http://svn.apache.org/viewvc/cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/DepthXMLStreamReaderTest.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/DepthXMLStreamReaderTest.java (original)
+++ cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/DepthXMLStreamReaderTest.java Wed Jul 15 20:17:11 2009
@@ -19,7 +19,6 @@
 
 package org.apache.cxf.staxutils;
 
-import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamReader;
 
 import org.junit.Assert;
@@ -29,9 +28,8 @@
     
     @Test
     public void testReader() throws Exception {
-        XMLInputFactory ifactory = StaxUtils.getXMLInputFactory();
         XMLStreamReader reader = 
-            ifactory.createXMLStreamReader(getClass().getResourceAsStream("./resources/amazon.xml"));
+            StaxUtils.createXMLStreamReader(getClass().getResourceAsStream("./resources/amazon.xml"));
         
         DepthXMLStreamReader dr = new DepthXMLStreamReader(reader);
         

Modified: cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/FragmentStreamReaderTest.java
URL: http://svn.apache.org/viewvc/cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/FragmentStreamReaderTest.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/FragmentStreamReaderTest.java (original)
+++ cxf/trunk/common/common/src/test/java/org/apache/cxf/staxutils/FragmentStreamReaderTest.java Wed Jul 15 20:17:11 2009
@@ -19,7 +19,6 @@
 
 package org.apache.cxf.staxutils;
 
-import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamReader;
 
 import org.junit.Assert;
@@ -29,9 +28,8 @@
 
     @Test
     public void testReader() throws Exception {
-        XMLInputFactory ifactory = StaxUtils.getXMLInputFactory();
         XMLStreamReader reader = 
-            ifactory.createXMLStreamReader(getClass().getResourceAsStream("./resources/amazon.xml"));
+            StaxUtils.createXMLStreamReader(getClass().getResourceAsStream("./resources/amazon.xml"));
         
         DepthXMLStreamReader dr = new DepthXMLStreamReader(reader);
         

Modified: cxf/trunk/rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/URIParameterInInterceptor.java
URL: http://svn.apache.org/viewvc/cxf/trunk/rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/URIParameterInInterceptor.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/URIParameterInInterceptor.java (original)
+++ cxf/trunk/rt/bindings/http/src/main/java/org/apache/cxf/binding/http/interceptor/URIParameterInInterceptor.java Wed Jul 15 20:17:11 2009
@@ -114,8 +114,12 @@
             XMLInputFactory inputFactory = StaxInInterceptor.getXMLInputFactory(message);
             try {
                 XMLStreamReader reader;
-                synchronized (inputFactory) {
-                    reader = inputFactory.createXMLStreamReader(message.getContent(InputStream.class));
+                if (inputFactory == null) {
+                    reader = StaxUtils.createXMLStreamReader(message.getContent(InputStream.class));
+                } else {
+                    synchronized (inputFactory) {
+                        reader = inputFactory.createXMLStreamReader(message.getContent(InputStream.class));
+                    }
                 }
                 doc = StaxUtils.read(reader);
             } catch (XMLStreamException e) {

Modified: cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxInInterceptor.java
URL: http://svn.apache.org/viewvc/cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxInInterceptor.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxInInterceptor.java (original)
+++ cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxInInterceptor.java Wed Jul 15 20:17:11 2009
@@ -79,8 +79,12 @@
         XMLStreamReader reader;
         try {
             XMLInputFactory factory = getXMLInputFactory(message);
-            synchronized (factory) {
-                reader = factory.createXMLStreamReader(is, encoding);
+            if (factory == null) {
+                reader = StaxUtils.createXMLStreamReader(is, encoding);
+            } else {
+                synchronized (factory) {
+                    reader = factory.createXMLStreamReader(is, encoding);
+                }                
             }
         } catch (XMLStreamException e) {
             throw new Fault(new org.apache.cxf.common.i18n.Message("STREAM_CREATE_EXC",
@@ -123,8 +127,7 @@
                 }
             }
             return xif;
-        } else {
-            return StaxUtils.getXMLInputFactory();
-        }
+        } 
+        return null;
     }
 }

Modified: cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxOutInterceptor.java
URL: http://svn.apache.org/viewvc/cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxOutInterceptor.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxOutInterceptor.java (original)
+++ cxf/trunk/rt/core/src/main/java/org/apache/cxf/interceptor/StaxOutInterceptor.java Wed Jul 15 20:17:11 2009
@@ -65,8 +65,12 @@
         
         try {
             XMLOutputFactory factory = getXMLOutputFactory(message);
-            synchronized (factory) {
-                writer = factory.createXMLStreamWriter(os, encoding);
+            if (factory == null) {
+                writer = StaxUtils.createXMLStreamWriter(os, encoding);
+            } else {
+                synchronized (factory) {
+                    writer = factory.createXMLStreamWriter(os, encoding);
+                }
             }
             if (Boolean.TRUE.equals(message.getContextualProperty(FORCE_START_DOCUMENT))) {
                 writer.writeStartDocument(encoding, "1.0");
@@ -142,9 +146,8 @@
                   Boolean.TRUE);
             m.put(FORCE_START_DOCUMENT, Boolean.TRUE);
             return xif;
-        } else {
-            return StaxUtils.getXMLOutputFactory();
         }
+        return null;
     }
     
     public class StaxOutEndingInterceptor extends AbstractPhaseInterceptor<Message> {

Modified: cxf/trunk/systests/src/test/java/org/apache/cxf/systest/versioning/MediatorInInterceptor.java
URL: http://svn.apache.org/viewvc/cxf/trunk/systests/src/test/java/org/apache/cxf/systest/versioning/MediatorInInterceptor.java?rev=794396&r1=794395&r2=794396&view=diff
==============================================================================
--- cxf/trunk/systests/src/test/java/org/apache/cxf/systest/versioning/MediatorInInterceptor.java (original)
+++ cxf/trunk/systests/src/test/java/org/apache/cxf/systest/versioning/MediatorInInterceptor.java Wed Jul 15 20:17:11 2009
@@ -36,6 +36,7 @@
 import org.apache.cxf.io.CachedOutputStream;
 import org.apache.cxf.message.Message;
 import org.apache.cxf.phase.Phase;
+import org.apache.cxf.staxutils.StaxUtils;
 
 
 public class MediatorInInterceptor extends AbstractEndpointSelectionInterceptor {
@@ -64,8 +65,12 @@
 
             XMLStreamReader xsr;
             XMLInputFactory factory = StaxInInterceptor.getXMLInputFactory(message);
-            synchronized (factory) {
-                xsr = factory.createXMLStreamReader(bos.getInputStream(), encoding);
+            if (factory == null) {
+                xsr = StaxUtils.createXMLStreamReader(bos.getInputStream(), encoding);
+            } else {
+                synchronized (factory) {
+                    xsr = factory.createXMLStreamReader(bos.getInputStream(), encoding);
+                }
             }
             
             // move to the soap body