From: zapata <zapata>
Date: Sat, 11 Nov 2006 16:16:14 +0000 (+0000)
Subject: addition of the Change Reporting producer node
X-Git-Tag: LATEST_MERGED_1_1~32
X-Git-Url: http://erislabs.net/gitweb/?p=mir.git;a=commitdiff_plain;h=476798657423f3e1d4e41d434f4f401dd6735c74

addition of the Change Reporting producer node
---

diff --git a/source/mir/changetracker/ChangeTracker.java b/source/mir/changetracker/ChangeTracker.java
index 41dca6f3..16ff7b42 100644
--- a/source/mir/changetracker/ChangeTracker.java
+++ b/source/mir/changetracker/ChangeTracker.java
@@ -96,7 +96,7 @@ public class ChangeTracker {
    * Returns a <code>Collection</code> of {@link Change}s within a base
    *     path, and removes them from the tracker.
    */
-  List flushChanges(String aBasePath) {
+  public List flushChanges(String aBasePath) {
     return flushChanges(aBasePath, new String[0]);
   }
 
@@ -105,7 +105,7 @@ public class ChangeTracker {
    *     path, exluding a list of excluded paths, and removes them from
    *     the tracker.
    */
-  List flushChanges(String aBasePath, String[] anExcludedPaths) {
+  public List flushChanges(String aBasePath, String[] anExcludedPaths) {
     synchronized (changes) {
       List result = getChanges(aBasePath, anExcludedPaths);
 
diff --git a/source/mircoders/producer/ChangeReportingProducerNode.java b/source/mircoders/producer/ChangeReportingProducerNode.java
new file mode 100644
index 00000000..3ebb3a5f
--- /dev/null
+++ b/source/mircoders/producer/ChangeReportingProducerNode.java
@@ -0,0 +1,101 @@
+package mircoders.producer;
+
+import mir.producer.AbstractProducerNode;
+import mir.producer.ProducerFailure;
+import mir.log.LoggerWrapper;
+import mir.util.ParameterExpander;
+import mir.util.ExceptionRoutines;
+import mir.changetracker.ChangeTracker;
+
+import java.util.Map;
+import java.util.Vector;
+import java.util.Hashtable;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Collection;
+import java.io.File;
+import java.io.OutputStream;
+import java.io.FileOutputStream;
+import java.io.Writer;
+import java.io.OutputStreamWriter;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import org.apache.xmlrpc.XmlRpcClient;
+import mircoders.global.MirGlobal;
+
+public class ChangeReportingProducerNode extends AbstractProducerNode {
+  private String format;
+  private String outputFile;
+  private String basePath;
+  private String baseUrl;
+  private String exclusionList;
+
+  public ChangeReportingProducerNode(String aFormat, String anOutputFile, String aBasePath, String aBaseUrl, String anExclusionList) {
+    format = aFormat;
+    outputFile = anOutputFile;
+    basePath = aBasePath;
+    baseUrl = aBaseUrl;
+    exclusionList = anExclusionList;
+  }
+
+  public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) {
+    try {
+      File file = new File(ParameterExpander.expandExpression(aValueMap, outputFile));
+      OutputStream stream = null;
+      try {
+        stream = new FileOutputStream(file);
+      }
+      catch (FileNotFoundException e) {
+        aLogger.error("Can't write open report file", e);
+
+        return;
+      }
+
+      try {
+        Writer writer = new OutputStreamWriter(stream);
+        try {
+          String expandedBasePath = ParameterExpander.expandExpression(aValueMap, outputFile);
+          Collection changes = MirGlobal.getChangeEngine().getTracker().flushChanges(expandedBasePath);
+
+          Iterator i = changes.iterator();
+          while (i.hasNext()) {
+            ChangeTracker.Change change = (ChangeTracker.Change) i.next();
+
+            aValueMap.put("change", change);
+            String line = ParameterExpander.expandExpression(aValueMap, format);
+            try {
+              writer.write(line);
+            }
+            catch (IOException e) {
+              aLogger.error("Can't write to report file", e);
+
+              return;
+            }
+          }
+        }
+        finally {
+          try {
+            writer.close();
+          }
+          catch (Throwable t) {
+            aLogger.info("Can't close report file");
+          }
+        }
+      }
+      finally {
+        try {
+          stream.close();
+        }
+        catch (Throwable t) {
+          aLogger.info("Can't close report file");
+        }
+      }
+    }
+    catch (Throwable t) {
+      aLogger.error("Error while writing change report file", t);
+    }
+  }
+}
diff --git a/source/mircoders/producer/reader/SupplementalProducerNodeBuilders.java b/source/mircoders/producer/reader/SupplementalProducerNodeBuilders.java
index cd0604d1..ffe5f753 100755
--- a/source/mircoders/producer/reader/SupplementalProducerNodeBuilders.java
+++ b/source/mircoders/producer/reader/SupplementalProducerNodeBuilders.java
@@ -45,6 +45,7 @@ import mircoders.producer.IndexingProducerNode;
 import mircoders.producer.MediaGeneratingProducerNode;
 import mircoders.producer.RadicalendarProducerNode;
 import mircoders.producer.UnIndexingProducerNode;
+import mircoders.producer.ChangeReportingProducerNode;
 
 
 public class SupplementalProducerNodeBuilders {
@@ -58,7 +59,7 @@ public class SupplementalProducerNodeBuilders {
     aBuilderLibrary.registerFactory("UnIndexContent", new ContentUnIndexingProducerNodeBuilder.factory(aBasePath));
     aBuilderLibrary.registerBuilder("Radicalendar", RadicalendarProducerNodeBuilder.class);
 
-    aBuilderLibrary.registerFactory("IndexContent", new ContentIndexingProducerNodeBuilder.factory(aBasePath));
+    aBuilderLibrary.registerFactory("ReportChanges", new ContentIndexingProducerNodeBuilder.factory(aBasePath));
   }
 
   private final static String MARKER_KEY_ATTRIBUTE = DefaultProducerNodeBuilders.KEY_ATTRIBUTE;
@@ -250,6 +251,34 @@ public class SupplementalProducerNodeBuilders {
     }
   }
 
+  public static class ChangeReportingProducerNodeBuilder extends DefaultProducerNodeBuilders.AbstractProducerNodeBuilder {
+    private final static String CHANGEREPORTING_FILE_ATTRIBUTE = "file";
+    private final static String CHANGEREPORTING_FORMAT_ATTRIBUTE = "format";
+    private final static String CHANGEREPORTING_BASEPATH_ATTRIBUTE = "basepath";
+    private final static String[] CHANGEREPORTING_REQUIRED_ATTRIBUTES = {CHANGEREPORTING_FILE_ATTRIBUTE,
+        CHANGEREPORTING_FORMAT_ATTRIBUTE, CHANGEREPORTING_BASEPATH_ATTRIBUTE};
+    private static final String[] CHANGEREPORTING_OPTIONAL_ATTRIBUTES = {};
+
+    private String file;
+    private String format;
+    private String basepath;
+
+    public ChangeReportingProducerNodeBuilder() {
+      super(new String[0]);
+    }
+
+    public void setAttributes(Map anAttributes) throws ProducerConfigExc, XMLParserExc {
+      XMLReaderTool.checkAttributes(anAttributes, CHANGEREPORTING_REQUIRED_ATTRIBUTES, CHANGEREPORTING_OPTIONAL_ATTRIBUTES);
+
+      file = (String) anAttributes.get(CHANGEREPORTING_FILE_ATTRIBUTE);
+      format = (String) anAttributes.get(CHANGEREPORTING_FORMAT_ATTRIBUTE);
+      basepath = (String) anAttributes.get(CHANGEREPORTING_BASEPATH_ATTRIBUTE);
+    }
+
+    public ProducerNode constructNode() {
+      return new ChangeReportingProducerNode(format, file, basepath, null, null);
+    }
+  }
 }