From e2f3a2907491a7c9e3fe450e94598cbb8dd49f1c Mon Sep 17 00:00:00 2001
From: ejort <ejort@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>
Date: Fri, 8 Apr 2005 17:19:58 +0000
Subject: [PATCH] Add the ability to retrieve and change the Major/Minor
 versions of the ClassFile

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@165 30ef5769-5b8d-40dd-aea6-55b5d6557bb3
---
 src/main/javassist/bytecode/ClassFile.java | 40 ++++++++++++++++++++++
 src/main/javassist/bytecode/ConstPool.java | 29 +++++++++++++++-
 2 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/src/main/javassist/bytecode/ClassFile.java b/src/main/javassist/bytecode/ClassFile.java
index 713e509d..74711369 100644
--- a/src/main/javassist/bytecode/ClassFile.java
+++ b/src/main/javassist/bytecode/ClassFile.java
@@ -623,4 +623,44 @@ public final class ClassFile {
         out.writeShort(attributes.size());
         AttributeInfo.writeAll(attributes, out);
     }
+
+    /**
+     * Get the Major version
+     *
+     * @return the major version
+     */
+    public int getMajorVersion()
+    {
+        return major;
+    }
+
+    /**
+     * Set the Major version
+     *
+     * @param major the major version
+     */
+    public void setMajorVersion(int major)
+    {
+       this.major = major;
+    }
+
+    /**
+     * Get the Minor version
+     *
+     * @return the minor version
+     */
+    public int getMinorVersion()
+    {
+        return minor;
+    }
+
+    /**
+     * Set the Minor version
+     *
+     * @param minor the minor version
+     */
+    public void setMinorVersion(int minor)
+    {
+       this.minor = minor;
+    }
 }
diff --git a/src/main/javassist/bytecode/ConstPool.java b/src/main/javassist/bytecode/ConstPool.java
index ad5edc5b..1676c116 100644
--- a/src/main/javassist/bytecode/ConstPool.java
+++ b/src/main/javassist/bytecode/ConstPool.java
@@ -20,8 +20,10 @@ import java.io.DataOutputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.PrintWriter;
 import java.io.IOException;
-import java.util.Map;
 import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 import javassist.CtClass;
 
 /**
@@ -837,6 +839,25 @@ public final class ConstPool {
         }
     }
 
+    /**
+     * Get all the class names
+     *
+     * @return a set of class names
+     */
+    public Set getClassNames()
+    {
+        HashSet result = new HashSet();
+        LongVector v = items;
+        int size = numOfItems;
+        for (int i = 1; i < size; ++i)
+        {
+            String className = ((ConstInfo) v.elementAt(i)).getClassName(this);
+            if (className != null)
+               result.add(className);
+        }
+        return result;
+    }
+
     /**
      * Replaces all occurrences of a class name.
      *
@@ -961,6 +982,7 @@ public final class ConstPool {
 abstract class ConstInfo {
     public abstract int getTag();
 
+    public String getClassName(ConstPool cp) { return null; }
     public void renameClass(ConstPool cp, String oldName, String newName) {}
     public void renameClass(ConstPool cp, Map classnames) {}
     public abstract int copy(ConstPool src, ConstPool dest, Map classnames);
@@ -1010,6 +1032,11 @@ class ClassInfo extends ConstInfo {
 
     public int getTag() { return tag; }
 
+    public String getClassName(ConstPool cp)
+    {
+        return cp.getUtf8Info(name);
+    };
+
     public void renameClass(ConstPool cp, String oldName, String newName) {
         String nameStr = cp.getUtf8Info(name);
         if (nameStr.equals(oldName))
-- 
2.39.5