svn commit: r961110 - /activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java

[ch...@apache.org]

Author: chirino
Date: Wed Jul  7 03:58:27 2010
New Revision: 961110

URL: http://svn.apache.org/viewvc?rev=961110&view=rev
Log:
Adding missing file breaking compile

Added:
    activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java

Added: activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java
URL: http://svn.apache.org/viewvc/activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java?rev=961110&view=auto
==============================================================================
--- activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java (added)
+++ activemq/sandbox/activemq-apollo-actor/activemq-dto/src/main/java/org/apache/activemq/apollo/dto/XmlEncoderDecoder.java Wed Jul  7 03:58:27 2010
@@ -0,0 +1,122 @@
+/**
+ * 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.activemq.apollo.dto;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.Unmarshaller;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.util.StreamReaderDelegate;
+import java.io.*;
+import java.net.URL;
+import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
+ */
+public class XmlEncoderDecoder {
+
+    /**
+     * Changes ${property} with values from a properties object
+     */
+    static public class PropertiesFilter extends StreamReaderDelegate {
+
+        static final Pattern pattern = Pattern.compile("\\$\\{[^\\}]\\}");
+        private final Properties props;
+
+        public PropertiesFilter(XMLStreamReader parent, Properties props) {
+            super(parent);
+            this.props = props;
+        }
+
+        public String getAttributeValue(int index) {
+            return filter(super.getAttributeValue(index));
+        }
+
+        public String filter(String str) {
+            int start = 0;
+            while (true) {
+                Matcher matcher = pattern.matcher(str);
+                if (!matcher.find(start)) {
+                    break;
+                }
+                String property = System.getProperty(matcher.group(1));
+                if (property != null) {
+                    str = matcher.replaceFirst(property);
+                } else {
+                    start = matcher.end();
+                }
+            }
+            return str;
+        }
+
+    }
+
+    private static final XMLInputFactory factory = XMLInputFactory.newInstance();
+    private static final JAXBContext context;
+
+    static {
+        try {
+            context = JAXBContext.newInstance("org.apache.activemq.apollo.dto");
+        } catch (JAXBException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static public BrokerDTO unmarshalBrokerDTO(URL url) throws IOException, XMLStreamException, JAXBException {
+        return unmarshalBrokerDTO(url, null);
+    }
+
+    static public BrokerDTO unmarshalBrokerDTO(URL url, Properties props) throws IOException, XMLStreamException, JAXBException {
+        return unmarshalBrokerDTO(url.openStream(), props);
+    }
+
+    static public BrokerDTO unmarshalBrokerDTO(InputStream is) throws IOException, XMLStreamException, JAXBException {
+        return unmarshalBrokerDTO(is, null);
+    }
+
+    static public BrokerDTO unmarshalBrokerDTO(InputStream is, Properties props) throws IOException, XMLStreamException, JAXBException {
+        if (is == null) {
+            throw new IllegalArgumentException("input stream was null");
+        }
+        try {
+            XMLStreamReader reader = factory.createXMLStreamReader(is);
+            if (props != null) {
+                reader = new PropertiesFilter(reader, props);
+            }
+            Unmarshaller unmarshaller = context.createUnmarshaller();
+            return (BrokerDTO) unmarshaller.unmarshal(reader);
+        } finally {
+            is.close();
+        }
+    }
+
+    static public void marshalBrokerDTO(BrokerDTO in, OutputStream os, boolean format) throws JAXBException {
+        Marshaller marshaller = context.createMarshaller();
+        if( format ) {
+            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, java.lang.Boolean.TRUE);
+        }
+        marshaller.marshal(in, new OutputStreamWriter(os));
+    }
+
+
+}