1 files changed, 77 insertions, 0 deletions
diff --git a/plugins/org.eclipse.epp.packaging.core/src/org/eclipse/epp/packaging/core/logging/Logger.java b/plugins/org.eclipse.epp.packaging.core/src/org/eclipse/epp/packaging/core/logging/Logger.java
new file mode 100644
index 00000000..32eb4d8c
--- /dev/null
+++ b/plugins/org.eclipse.epp.packaging.core/src/org/eclipse/epp/packaging/core/logging/Logger.java
@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * Copyright (c) 2007 Innoopract Informationssysteme GmbH
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Innoopract - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.epp.packaging.core.logging;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A logger with basic process handling facilities.
+ */
+public class Logger {
+
+  private int processCount = 0;
+  private Map<Integer, Boolean> subProcesses = new HashMap<Integer, Boolean>();
+  private boolean justEndedProcess = false;
+
+  /** Log a single event */
+  public void log( final String message ) {
+    createNewEntry( message );
+    justEndedProcess = true;
+  }
+
+  /** Log the beginning of an ongoing process. */
+  public void logBeginProcess( final String message ) {
+    createNewEntry( message );
+    System.out.print( "..." );//$NON-NLS-1$
+    processCount++;
+    memorizeProcess( Boolean.FALSE );
+    justEndedProcess = false;
+  }
+
+  private void createNewEntry( final String message ) {
+    memorizeProcess( Boolean.TRUE );
+    System.out.println();
+    indent();
+    System.out.print( message );
+  }
+
+  private void memorizeProcess( final Boolean value ) {
+    subProcesses.put( getProcessCount(), value );
+  }
+
+  /** Indent to indicate sub-processes. */
+  private void indent() {
+    for( int index = 0; index < processCount; index++ ) {
+      System.out.print( "  " ); //$NON-NLS-1$
+    }
+  }
+
+  public void logEndProcess( final String message ) {
+    if( processCount > 0 ) {
+      if( justEndedProcess ) {
+        System.out.println();
+      }
+      boolean booleanValue = subProcesses.get( getProcessCount() )
+        .booleanValue();
+      processCount--;
+      if( booleanValue ) {
+        indent();
+      }
+      System.out.print( message );
+      justEndedProcess = true;
+    }
+  }
+
+  private Integer getProcessCount() {
+    return Integer.valueOf( processCount );
+  }
+}
+\ No newline at end of file