husted 2002/10/28 07:19:07
Modified: scaffold/src/java/org/apache/commons/scaffold/text
ConvertUtils.java
Log:
+ ConvertUtils.addParams: intial version, makes query attributes from Map.
Revision Changes Path
1.4 +78 -5
jakarta-commons-sandbox/scaffold/src/java/org/apache/commons/scaffold/text/ConvertUtils.java
Index: ConvertUtils.java
===================================================================
RCS file:
/home/cvs/jakarta-commons-sandbox/scaffold/src/java/org/apache/commons/scaffold/text/ConvertUtils.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- ConvertUtils.java 27 Sep 2002 19:11:20 -0000 1.3
+++ ConvertUtils.java 28 Oct 2002 15:19:07 -0000 1.4
@@ -9,7 +9,11 @@
import java.text.SimpleDateFormat;
import java.util.Date;
+import java.util.Iterator;
import java.util.Locale;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
import java.sql.Timestamp;
@@ -20,6 +24,7 @@
*
* @author Ted Husted
* @author OK State DEQ
+ * @author WXXI Public Broadcasting Council
* @version $Revision$ $Date$
*/
public class ConvertUtils {
@@ -173,19 +178,87 @@
/**
+ * The token that signifies the begnning of a query string ["?"].
+ */
+ public static String QS_START = "?";
+
+
+ /**
+ * The token that delimits two or more attributes of a query string ["&"].
+ */
+ public static String QS_DELIM = "&";
+
+
+ /**
+ * The token that seperates an attribute name and value.
+ */
+ public static String QS_SEP = "=";
+
+
+ /**
* Appends name=value parameter.
*/
public static String addParam(String path, String name, String value) {
StringBuffer uri = new StringBuffer(path);
- boolean isQuery = (path.indexOf("?")>=0);
+ boolean isQuery = (path.indexOf(QS_START)>=0);
if (isQuery)
- uri.append("&");
+ uri.append(QS_DELIM);
else
- uri.append("?");
+ uri.append(QS_START);
uri.append(name);
- uri.append("=");
+ uri.append(QS_SEP);
uri.append(value);
return uri.toString();
+
+ }
+
+
+ /**
+ * Appends name=value parameters to path from Map.
+ */
+ public static String addParams(String path, Map parameters) {
+
+ if (null==path) path = new String();
+
+ if ((null==parameters) || (parameters.isEmpty())) return path;
+
+ StringBuffer uri = new StringBuffer(path);
+ boolean isQuery = (path.indexOf(QS_START)>=0);
+ if (isQuery)
+ uri.append(QS_DELIM);
+ else
+ uri.append(QS_START);
+
+ Set entries = parameters.entrySet();
+ for (Iterator i = entries.iterator(); i.hasNext(); ) {
+ Entry e = (Entry) i.next();
+ uri.append(e.getKey());
+ uri.append(QS_SEP);
+ uri.append(e.getValue());
+ }
+ return uri.toString();
+
+ }
+
+
+ /**
+ * Returns parameters as a series of hidden HTML fields.
+ */
+ public static String renderHiddenFields(Map parameters) {
+
+ if ((null==parameters) || (parameters.isEmpty())) return new String();
+
+ StringBuffer html = new StringBuffer();
+ Set entries = parameters.entrySet();
+ for (Iterator i = entries.iterator(); i.hasNext(); ) {
+ html.append("<input type='hidden' name='");
+ Entry e = (Entry) i.next();
+ html.append(e.getKey());
+ html.append("' value='");
+ html.append(e.getValue());
+ html.append("' />");
+ }
+ return html.toString();
}
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