Refactoring: Enably -> IT Mill Toolkit

svn changeset:92/svn branch:toolkit

1 files changed, 172 insertions, 0 deletions

diff --git a/src/com/itmill/toolkit/terminal/CompositeErrorMessage.java b/src/com/itmill/toolkit/terminal/CompositeErrorMessage.java
new file mode 100644
index 0000000000..3de9e22f99
--- /dev/null
+++ b/src/com/itmill/toolkit/terminal/CompositeErrorMessage.java
@@ -0,0 +1,172 @@
+/* *************************************************************************
+ 
+                               IT Mill Toolkit 
+
+               Development of Browser User Intarfaces Made Easy
+
+                    Copyright (C) 2000-2006 IT Mill Ltd
+                     
+   *************************************************************************
+
+   This product is distributed under commercial license that can be found
+   from the product package on license/license.txt. Use of this product might 
+   require purchasing a commercial license from IT Mill Ltd. For guidelines 
+   on usage, see license/licensing-guidelines.html
+
+   *************************************************************************
+   
+   For more information, contact:
+   
+   IT Mill Ltd                           phone: +358 2 4802 7180
+   Ruukinkatu 2-4                        fax:   +358 2 4802 7181
+   20540, Turku                          email:  info@itmill.com
+   Finland                               company www: www.itmill.com
+   
+   Primary source for information and releases: www.itmill.com
+
+   ********************************************************************** */
+
+package com.itmill.toolkit.terminal;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+/** Class for combining multiple error messages together.
+ *
+ * @author  IT Mill Ltd
+ * @version @VERSION@
+ * @since 3.0
+ */
+public class CompositeErrorMessage implements ErrorMessage {
+
+	/** Array of all the errors */
+	private List errors;
+
+	/** Level of the error */
+	private int level;
+
+	/** Constructor for CompositeErrorMessage.
+	 * 
+	 * @param errorMessages Array of error messages that are listed togeter. 
+	 * Nulls are ignored, but at least one message is required.
+	 * @throws NullPointerException if errorMessages is null.
+	 * 	 * @throws IllegalArgumentException if the array was empty. 	 
+	  */
+	public CompositeErrorMessage(ErrorMessage[] errorMessages) {
+		errors = new ArrayList(errorMessages.length);
+		level = Integer.MIN_VALUE;
+
+		for (int i = 0; i < errorMessages.length; i++) {
+			addErrorMessage(errorMessages[i]);
+		}
+
+		if (errors.size() == 0)
+			throw new IllegalArgumentException("Composite error message must have at least one error");
+
+	}
+
+	/** Constructor for CompositeErrorMessage.
+	 * @param errorMessages Collection of error messages that are listed
+	 * togeter. At least one message is required.
+	 * @throws NullPointerException if the collection is null.
+	 * @throws IllegalArgumentException if the collection was empty.
+	 */
+	public CompositeErrorMessage(Collection errorMessages) {
+		errors = new ArrayList(errorMessages.size());
+		level = Integer.MIN_VALUE;
+
+		for (Iterator i = errorMessages.iterator(); i.hasNext();) {
+			addErrorMessage((ErrorMessage) i.next());
+		}
+
+		if (errors.size() == 0)
+			throw new IllegalArgumentException("Composite error message must have at least one error");
+	}
+
+	/** The error level is the largest error level in 
+	 * @see com.itmill.toolkit.terminal.ErrorMessage#getErrorLevel()
+	 */
+	public final int getErrorLevel() {
+		return level;
+	}
+
+	/** Add a error message into this composite message.
+	 *  Updates the level field.
+	 * @param error The error message to be added. Duplicate errors are ignored.
+	 */
+	private void addErrorMessage(ErrorMessage error) {
+		if (error != null && !errors.contains(error)) {
+			this.errors.add(error);
+			int l = error.getErrorLevel();
+			if (l > level)
+				level = l;
+		}
+	}
+
+	/** Get Error Iterator. */
+	public Iterator iterator() {
+		return errors.iterator();
+	}
+
+	public void paint(PaintTarget target) throws PaintException {
+
+		if (errors.size() == 1)
+			 ((ErrorMessage) errors.iterator().next()).paint(target);
+		else {
+			target.startTag("error");
+
+			if (level > 0 && level <= ErrorMessage.INFORMATION)
+				target.addAttribute("level", "info");
+			else if (level <= ErrorMessage.WARNING)
+				target.addAttribute("level", "warning");
+			else if (level <= ErrorMessage.ERROR)
+				target.addAttribute("level", "error");
+			else if (level <= ErrorMessage.CRITICAL)
+				target.addAttribute("level", "critical");
+			else
+				target.addAttribute("level", "system");
+
+			// Paint all the exceptions
+			for (Iterator i = errors.iterator(); i.hasNext();) {
+				((ErrorMessage) i.next()).paint(target);
+			}
+
+			target.endTag("error");
+		}
+	}
+
+	/* Documented in super interface */
+	public void addListener(RepaintRequestListener listener) {
+	}
+
+	/* Documented in super interface */
+	public void removeListener(RepaintRequestListener listener) {
+	}
+
+	/* Documented in super interface */
+	public void requestRepaint() {
+	}
+
+	/* Documented in super interface */
+	public void requestRepaintRequests() {
+	}
+
+	/** Returns a comma separated list of the error messages.
+	 * @return String, comma separated list of error messages.
+	 */
+	public String toString() {
+		String retval = "[";
+		int pos = 0;
+		for (Iterator i = errors.iterator(); i.hasNext();) {
+			if (pos > 0)
+				retval += ",";
+			pos++;
+			retval += i.next().toString();
+		}
+		retval += "]";
+
+		return retval;
+	}
+}