X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fz3950%2Fzing%2Fcql%2FModifierSet.java;h=213f1992bd4f71dfe70c6a17f9c5c0cf34b1c3a4;hb=7cff92fa0b727aa844456f130744ec2fe263ba48;hp=835e731285c5da6f6d0337ade2aa963d1787dffd;hpb=41fcd9c3be17618728c4f175e4cb65ed61421447;p=cql-java-moved-to-github.git

diff --git a/src/main/java/org/z3950/zing/cql/ModifierSet.java b/src/main/java/org/z3950/zing/cql/ModifierSet.java
index 835e731..213f199 100644
--- a/src/main/java/org/z3950/zing/cql/ModifierSet.java
+++ b/src/main/java/org/z3950/zing/cql/ModifierSet.java
@@ -1,8 +1,10 @@
 // $Id: ModifierSet.java,v 1.13 2007-07-03 13:30:18 mike Exp $
 
 package org.z3950.zing.cql;
-import java.util.Vector;
-import java.lang.StringBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.z3950.zing.cql.Utils.*;
 
 /**
  * Represents a base String and a set of Modifiers.
@@ -19,14 +21,14 @@ import java.lang.StringBuffer;
  */
 public class ModifierSet {
     private String base;
-    private Vector<Modifier> modifiers;
+    private List<Modifier> modifiers;
 
     /**
      * Creates a new ModifierSet with the specified base.
      */
     public ModifierSet(String base) {
 	this.base = base;
-	modifiers = new Vector<Modifier>();
+	modifiers = new ArrayList<Modifier>();
     }
 
     /**
@@ -73,7 +75,7 @@ public class ModifierSet {
      * @return
      *	An array of Modifiers.
      */
-    public Vector<Modifier> getModifiers() {
+    public List<Modifier> getModifiers() {
 	return modifiers;
     }
 
@@ -87,26 +89,27 @@ public class ModifierSet {
 
     private String underlyingToXCQL(int level, String topLevelElement,
 				    String valueElement) {
-	StringBuffer buf = new StringBuffer();
-	buf.append(Utils.indent(level) + "<" + topLevelElement + ">\n");
-	buf.append(Utils.indent(level+1) +
-		   "<" + valueElement + ">" + Utils.xq(base) +
-		   "</" + valueElement + ">\n");
+	StringBuilder buf = new StringBuilder();
+	buf.append(indent(level)).append("<").append(topLevelElement).
+            append(">\n").append(indent(level + 1)).append("<").
+            append(valueElement).append(">").append(xq(base)).append("</").
+            append(valueElement).append(">\n");
 	if (modifiers.size() > 0) {
-	    buf.append(Utils.indent(level+1) + "<modifiers>\n");
+	    buf.append(indent(level + 1)).append("<modifiers>\n");
 	    for (int i = 0; i < modifiers.size(); i++) {
 		buf.append(modifiers.get(i).toXCQL(level+2, "comparison"));
 	    }
-	    buf.append(Utils.indent(level+1) + "</modifiers>\n");
+	    buf.append(indent(level + 1)).append("</modifiers>\n");
 	}
-	buf.append(Utils.indent(level) + "</" + topLevelElement + ">\n");
+	buf.append(indent(level)).append("</").append(topLevelElement).
+            append(">\n");
 	return buf.toString();
     }
 
     public String toCQL() {
-	StringBuffer buf = new StringBuffer(base);
+	StringBuilder buf = new StringBuilder(base);
 	for (int i = 0; i < modifiers.size(); i++) {
-	    buf.append("/" + modifiers.get(i).toCQL());
+	    buf.append("/").append(modifiers.get(i).toCQL());
 	}
 
 	return buf.toString();