MOA-SP/SS Release 1.4.1tags/Build-SPSS-1.4.1

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/Build-SPSS-1_4_1@995 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 85 insertions, 0 deletions

diff --git a/common/src/main/java/at/gv/egovernment/moa/util/MOAErrorHandler.java b/common/src/main/java/at/gv/egovernment/moa/util/MOAErrorHandler.java
new file mode 100644
index 000000000..1f7757c8f
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+++ b/common/src/main/java/at/gv/egovernment/moa/util/MOAErrorHandler.java
@@ -0,0 +1,85 @@
+package at.gv.egovernment.moa.util;
+
+import org.apache.xml.utils.DefaultErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+import at.gv.egovernment.moa.logging.LogMsg;
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * An <code>ErrorHandler</code> that logs a message and throws a
+ * <code>SAXException</code> upon <code>error</code> and <code>fatal</code>
+ * parsing errors.
+ * 
+ * @author Patrick Peck
+ * @author Sven Aigner
+ */
+public class MOAErrorHandler extends DefaultErrorHandler {
+
+  /**
+   * Logs a warning message.
+   * 
+   * @see org.xml.sax.ErrorHandler#warning(SAXParseException)
+   */
+  public void warning(SAXParseException exception) throws SAXException {
+    warn("parser.00", messageParams(exception), null);
+  }
+
+  /**
+   * Logs a warning and rethrows the <code>exception</code>.
+   * 
+   * @see org.xml.sax.ErrorHandler#error(SAXParseException)
+   */
+  public void error(SAXParseException exception) throws SAXException {
+    warn("parser.01", messageParams(exception), null);
+    throw exception;
+  }
+
+  /**
+   * Logs a warning and rethrows the <code>exception</code>.
+   * 
+   * @see org.xml.sax.ErrorHandler#fatalError(SAXParseException)
+   */
+  public void fatalError(SAXParseException exception) throws SAXException {
+    warn("parser.02", messageParams(exception), null);
+    throw exception;
+  }
+
+  /**
+   * Log a warning message.
+   * 
+   * @param messageId The message ID to log.
+   * @param parameters Additional message parameters.
+   * @param t The <code>Throwable</code> to log; usually the cause of this
+   * warning.
+   */
+  private static void warn(
+    String messageId,
+    Object[] parameters,
+    Throwable t) {
+
+    MessageProvider msg = MessageProvider.getInstance();
+    Logger.warn(new LogMsg(msg.getMessage(messageId, parameters)), t);
+  }
+
+  /**
+   * Put the system id, line and column number information from the exception
+   * into an <code>Object</code> array, to provide it as a
+   * <code>MessageFormat</code> parameter.
+   * 
+   * @param e The <code>SAXParseException</code> containing the
+   * source system id and line/column numbers.
+   * @return An array containing the system id (a <code>String</code>) as well
+   * as line/column numbers (2 <code>Integer</code> objects) from the
+   * <code>SAXParseException</code>.
+   */
+  private static Object[] messageParams(SAXParseException e) {
+    return new Object[] {
+      e.getMessage(),
+      e.getSystemId(),
+      new Integer(e.getLineNumber()),
+      new Integer(e.getColumnNumber())};
+  }
+
+}
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