Author: gttersen
Date: 2007-07-03 18:25:52 +0200 (Tue, 03 Jul 2007)
New Revision: 5494
Added:
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/ChopStringOnlyDirective.java
Modified:
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/VelocityEngineFactory.java
Log:
newsAggregator: AGGREG-671
Added:
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/ChopStringOnlyDirective.java
===================================================================
---
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/ChopStringOnlyDirective.java
(rev 0)
+++
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/ChopStringOnlyDirective.java
2007-07-03 16:25:52 UTC (rev 5494)
@@ -0,0 +1,111 @@
+package no.schibstedsok.searchportal.view.velocity;
+
+import org.apache.log4j.Logger;
+import org.apache.velocity.context.InternalContextAdapter;
+import org.apache.velocity.runtime.parser.node.Node;
+import org.apache.velocity.exception.ResourceNotFoundException;
+import org.apache.velocity.exception.ParseErrorException;
+import org.apache.velocity.exception.MethodInvocationException;
+import org.apache.commons.lang.StringEscapeUtils;
+
+import java.io.Writer;
+import java.io.IOException;
+
+import no.schibstedsok.searchportal.result.StringChopper;
+
+/**
+ *
+ * A velocity directive to chop a string
+ * If a third parameter "esc" is sent, the string will also be htmlescaped
+ *
+ * <code>
+ * #chopStringOnly('this string is being chopped!' 20)
+ * returns the string: "this string is.."
+ * </code>
+ *
+ *
+ * @author thomas
+ * @version $Id: ChopStringDirective.java 5339 2007-06-16 17:10:45Z ssmiweve $
+ */
+public final class ChopStringOnlyDirective extends AbstractDirective {
+
+ private static final Logger LOG =
Logger.getLogger(ChopStringOnlyDirective.class);
+
+ private static final String NAME = "chopStringOnly";
+
+ /**
+ * [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 {
+
+ final int argCount = node.jjtGetNumChildren();
+
+ if (argCount > 0 && argCount < 4) {
+
+ final Object nodeValue = node.jjtGetChild(0).value(context);
+
+ if(nodeValue == null) {
+ // No need to do anything since the string is empty anyway
+ writer.write("");
+ return true;
+
+ }
+ final String s = nodeValue.toString();
+
+ final int length = argCount > 1
+ ? Integer.parseInt(getArgument(context, node, 1))
+ : Integer.MAX_VALUE;
+
+ if (argCount > 2 && "esc".equals(getArgument(context, node, 2))) {
+
+ writer.write(StringEscapeUtils.escapeHtml(chop(s, length)));
+ }else{
+
+ writer.write(chop(s, length));
+ }
+
+ if (node.getLastToken().image.endsWith("\n")) {
+ writer.write('\n');
+ }
+
+ }else{
+
+ final String msg = '#' + getName() + " - wrong number of
arguments";
+ LOG.error(msg);
+ rsvc.getLog().error(msg);
+ return false;
+ }
+
+ return true;
+
+ }
+
+ private String chop(String s, int length) {
+ if (s.length() > length) {
+ if (length > 3) {
+ return s.substring(0, length - 3) + "...";
+ } else {
+ return s.substring(0, length);
+ }
+ }
+ return s;
+ }
+}
Modified:
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/VelocityEngineFactory.java
===================================================================
---
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/VelocityEngineFactory.java
2007-07-03 13:52:37 UTC (rev 5493)
+++
branches/2.14/core-api/src/main/java/no/schibstedsok/searchportal/view/velocity/VelocityEngineFactory.java
2007-07-03 16:25:52 UTC (rev 5494)
@@ -91,6 +91,7 @@
+
"no.schibstedsok.searchportal.view.velocity.ChannelCategoryListDirective,"
+
"no.schibstedsok.searchportal.view.velocity.RemovePrefixDirective,"
+ "no.schibstedsok.searchportal.view.velocity.NavigatorDirective,"
+ +
"no.schibstedsok.searchportal.view.velocity.ChopStringOnlyDirective,"
+
"no.schibstedsok.searchportal.view.velocity.SlashTrimStringDirective";
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