Author: mickw
Date: 2006-05-12 12:41:38 +0200 (Fri, 12 May 2006)
New Revision: 2897
Added:
trunk/src/java/no/schibstedsok/front/searchportal/view/velocity/ChopStringDirective.java
Log:
should have been added
Added:
trunk/src/java/no/schibstedsok/front/searchportal/view/velocity/ChopStringDirective.java
===================================================================
---
trunk/src/java/no/schibstedsok/front/searchportal/view/velocity/ChopStringDirective.java
(rev 0)
+++
trunk/src/java/no/schibstedsok/front/searchportal/view/velocity/ChopStringDirective.java
2006-05-12 10:41:38 UTC (rev 2897)
@@ -0,0 +1,93 @@
+package no.schibstedsok.front.searchportal.view.velocity;
+
+import java.io.IOException;
+
+import java.io.Writer;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.velocity.context.InternalContextAdapter;
+import org.apache.velocity.exception.MethodInvocationException;
+import org.apache.velocity.exception.ParseErrorException;
+import org.apache.velocity.exception.ResourceNotFoundException;
+import org.apache.velocity.runtime.directive.Directive;
+import org.apache.velocity.runtime.parser.Token;
+import org.apache.velocity.runtime.parser.node.Node;
+
+/**
+ *
+ * A velocity directive to chop a string
+ *
+ * <code>
+ * #chopString('this string is being chopped!' 20)
+ * returns the string: "this string is.."
+ * </code>
+ *
+ *
+ * @author thomas
+ */
+public final class ChopStringDirective extends Directive {
+
+ private static transient Log log =
LogFactory.getLog(ChopStringDirective.class);
+
+ private static final String NAME = "chopString";
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public String getName() {
+ return NAME;
+ }
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public int getType() {
+ return LINE;
+ }
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public boolean render(final InternalContextAdapter context, final Writer
writer, final Node node) throws IOException, ResourceNotFoundException,
ParseErrorException, MethodInvocationException {
+ if (node.jjtGetNumChildren() != 2) {
+ rsvc.error("#" + getName() + " - wrong number of arguments");
+ return false;
+ }
+
+ final String s = node.jjtGetChild(0).value(context).toString();
+ final int length =
Integer.parseInt(node.jjtGetChild(1).value(context).toString());
+
+ String choppedString = "";
+ if (s.length() <= length)
+ choppedString = s;
+ else {
+ final String sub = s.substring(0, length);
+ final String lastChar = Character.toString(sub.charAt(sub.length()
- 1));
+ if (lastChar.equals("."))
+ choppedString = sub.substring(0, length) + "..";
+ else if (lastChar.equals(" "))
+ choppedString = sub.substring(0, length) + " ...";
+ else {
+ final int lastSpace = sub.lastIndexOf(" ");
+
+ if (lastSpace >= 0) {
+ choppedString = sub.substring(0, sub.lastIndexOf(" ")) + "
...";
+ } else {
+ choppedString = sub.substring(0, length) + "...";
+ }
+ }
+ }
+
+ writer.write(choppedString);
+
+ final Token lastToken = node.getLastToken();
+
+ if (lastToken.image.endsWith("\n")) {
+ writer.write("\n");
+ }
+
+ return true;
+
+ }
+}
_______________________________________________
Kernel-commits mailing list
[email protected]
http://sesat.no/mailman/listinfo/kernel-commits
