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Posted to axis-cvs@ws.apache.org by di...@apache.org on 2005/12/21 18:55:52 UTC

svn commit: r358336 - in /webservices/axis2/trunk/java: ./ modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/

Author: dims
Date: Wed Dec 21 09:55:46 2005
New Revision: 358336

URL: http://svn.apache.org/viewcvs?rev=358336&view=rev
Log:
- fix javadocs a bit
- fix build.xml (add adb)


Modified:
    webservices/axis2/trunk/java/build.xml
    webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ChainedParamReader.java
    webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ClassReader.java
    webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamNameExtractor.java
    webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamReader.java

Modified: webservices/axis2/trunk/java/build.xml
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/build.xml?rev=358336&r1=358335&r2=358336&view=diff
==============================================================================
--- webservices/axis2/trunk/java/build.xml (original)
+++ webservices/axis2/trunk/java/build.xml Wed Dec 21 09:55:46 2005
@@ -146,6 +146,7 @@
       source="1.4"
       classpathref="classpath">
       <include name="addressing/src/**/*.java"/>
+      <include name="adb/src/**/*.java"/>
       <include name="codegen/src/**/*.java"/>
       <include name="common/src/**/*.java"/>
       <include name="core/src/**/*.java"/>

Modified: webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ChainedParamReader.java
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ChainedParamReader.java?rev=358336&r1=358335&r2=358336&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ChainedParamReader.java (original)
+++ webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ChainedParamReader.java Wed Dec 21 09:55:46 2005
@@ -1,100 +1,97 @@
-package org.apache.axis2.wsdl.java2wsdl.bytecode;
-
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Method;
-import java.util.*;
-
-/**
- * Description: In ParamReader class, user can not get inherited method parameter
- * from the class they passed in. This is done because of performance. This class
- * is intended to setup the inheritant chain. If the method could not be found in
- * the derived class, it will try to search it from super class, if not in the
- * immedidate super class it will search super class's super class, until it reaches
- * the root which is java.lang.Object. This is not an eager load since it only
- * start searching the super class when it is asked to
- * User: pengyu
- * Date: Sep 6, 2003
- * Time: 11:43:24 PM
- */
-public class ChainedParamReader {
-    private List chain = new ArrayList();
-    private List clsChain = new ArrayList();
-    private Map methodToParamMap = new HashMap();
-
-    /**
-     * Process a given class's parameter names
-     *
-     * @param cls the class which user wants to get parameter info from
-     * @throws IOException
-     */
-    public ChainedParamReader(Class cls) throws IOException {
-        ParamReader reader = new ParamReader(cls);
-        chain.add(reader);
-        clsChain.add(cls);
-    }
-
-    //now I need to create deligate methods
-
-    /**
-     * return the names of the declared parameters for the given constructor.
-     * If we cannot determine the names, return null.  The returned array will
-     * have one name per parameter.  The length of the array will be the same
-     * as the length of the Class[] array returned by Constructor.getParameterTypes().
-     *
-     * @param ctor
-     * @return array of names, one per parameter, or null
-     */
-    public String[] getParameterNames(Constructor ctor) {
-        //there is no need for the constructor chaining.
-        return ((ParamReader) chain.get(0)).getParameterNames(ctor);
-    }
-
-    /**
-     * return the names of the declared parameters for the given method.
-     * If we cannot determine the names in the current class, we will try
-     * to search its parent class until we reach java.lang.Object. If we
-     * still can not find the method we will return null. The returned array
-     * will have one name per parameter. The length of the array will be the same
-     * as the length of the Class[] array returned by Method.getParameterTypes().
-     *
-     * @param method
-     * @return String[] array of names, one per parameter, or null
-     */
-    public String[] getParameterNames(Method method) {
-        //go find the one from the cache first
-        if (methodToParamMap.containsKey(method)) {
-            return (String[]) methodToParamMap.get(method);
-        }
-
-        String[] ret = null;
-        for (Iterator it = chain.iterator(); it.hasNext();) {
-            ParamReader reader = (ParamReader) it.next();
-            ret = reader.getParameterNames(method);
-            if (ret != null) {
-                methodToParamMap.put(method, ret);
-                return ret;
-            }
-        }
-        //if we here, it means we need to create new chain.
-        Class cls = (Class) clsChain.get(chain.size() - 1);
-        while (cls.getSuperclass() != null) {
-            Class superClass = cls.getSuperclass();
-            try {
-                ParamReader _reader = new ParamReader(superClass);
-                chain.add(_reader);
-                clsChain.add(cls);
-                ret = _reader.getParameterNames(method);
-                if (ret != null) { //we found it so just return it.
-                    methodToParamMap.put(method, ret);
-                    return ret;
-                }
-            } catch (IOException e) {
-                //can not find the super class in the class path, abort here
-                return null;
-            }
-        }
-        methodToParamMap.put(method, ret);
-        return null;
-    }
-}
+package org.apache.axis2.wsdl.java2wsdl.bytecode;
+
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.util.*;
+
+/**
+ * Description: In ParamReader class, user cannot get inherited method parameter
+ * from the class they passed in for performance reasons This class
+ * is walks up the inheritance chain. If the method is not found in
+ * the derived class, search in super class. If not found in the immedidate super
+ * class, search super class's super class, until the root, which is java.lang.Object,
+ * is reached. This is not an eager load since it only start searching the super class
+ * when it is asked to.
+ */
+public class ChainedParamReader {
+    private List chain = new ArrayList();
+    private List clsChain = new ArrayList();
+    private Map methodToParamMap = new HashMap();
+
+    /**
+     * Processes a given class's parameter names.
+     *
+     * @param cls the class which user wants to get parameter info from
+     * @throws IOException
+     */
+    public ChainedParamReader(Class cls) throws IOException {
+        ParamReader reader = new ParamReader(cls);
+        chain.add(reader);
+        clsChain.add(cls);
+    }
+
+    //now I need to create deligate methods
+
+    /**
+     * Returns the names of the declared parameters for the given constructor.
+     * If we cannot determine the names, return null.  The returned array will
+     * have one name per parameter.  The length of the array will be the same
+     * as the length of the Class[] array returned by Constructor.getParameterTypes().
+     *
+     * @param ctor
+     * @return Returns array of names, one per parameter, or null
+     */
+    public String[] getParameterNames(Constructor ctor) {
+        //there is no need for the constructor chaining.
+        return ((ParamReader) chain.get(0)).getParameterNames(ctor);
+    }
+
+    /**
+     * Returns the names of the declared parameters for the given method.
+     * If cannot determine the names in the current class, search its parent 
+     * class until we reach java.lang.Object. If still can not find the method,
+     * returns null. The returned array has one name per parameter. The length 
+     * of the array will be the same as the length of the Class[] array 
+     * returned by Method.getParameterTypes().
+     *
+     * @param method
+     * @return String[] Returns array of names, one per parameter, or null
+     */
+    public String[] getParameterNames(Method method) {
+        //go find the one from the cache first
+        if (methodToParamMap.containsKey(method)) {
+            return (String[]) methodToParamMap.get(method);
+        }
+
+        String[] ret = null;
+        for (Iterator it = chain.iterator(); it.hasNext();) {
+            ParamReader reader = (ParamReader) it.next();
+            ret = reader.getParameterNames(method);
+            if (ret != null) {
+                methodToParamMap.put(method, ret);
+                return ret;
+            }
+        }
+        //if we here, it means we need to create new chain.
+        Class cls = (Class) clsChain.get(chain.size() - 1);
+        while (cls.getSuperclass() != null) {
+            Class superClass = cls.getSuperclass();
+            try {
+                ParamReader _reader = new ParamReader(superClass);
+                chain.add(_reader);
+                clsChain.add(cls);
+                ret = _reader.getParameterNames(method);
+                if (ret != null) { //we found it so just return it.
+                    methodToParamMap.put(method, ret);
+                    return ret;
+                }
+            } catch (IOException e) {
+                //can not find the super class in the class path, abort here
+                return null;
+            }
+        }
+        methodToParamMap.put(method, ret);
+        return null;
+    }
+}

Modified: webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ClassReader.java
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ClassReader.java?rev=358336&r1=358335&r2=358336&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ClassReader.java (original)
+++ webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ClassReader.java Wed Dec 21 09:55:46 2005
@@ -1,409 +1,409 @@
-package org.apache.axis2.wsdl.java2wsdl.bytecode;
-
-import org.apache.axis2.i18n.Messages;
-
-import java.io.*;
-import java.lang.reflect.*;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * This is the class file reader for obtaining the parameter names
- * for declared methods in a class.  The class must have debugging
- * attributes for us to obtain this information. <p>
- * <p/>
- * This does not work for inherited methods.  To obtain parameter
- * names for inherited methods, you must use a paramReader for the
- * class that originally declared the method. <p>
- * <p/>
- * don't get tricky, it's the bare minimum.  Instances of this class
- * are not threadsafe -- don't share them. <p>
- *
- * @author Edwin Smith, Macromedia
- */
-public class ClassReader extends ByteArrayInputStream {
-    // constants values that appear in java class files,
-    // from jvm spec 2nd ed, section 4.4, pp 103
-    private final int CONSTANT_Class = 7;
-    private final int CONSTANT_Fieldref = 9;
-    private final int CONSTANT_Methodref = 10;
-    private final int CONSTANT_InterfaceMethodref = 11;
-    private final int CONSTANT_String = 8;
-    private final int CONSTANT_Integer = 3;
-    private final int CONSTANT_Float = 4;
-    private final int CONSTANT_Long = 5;
-    private final int CONSTANT_Double = 6;
-    private final int CONSTANT_NameAndType = 12;
-    private final int CONSTANT_Utf8 = 1;
-    /**
-     * the constant pool.  constant pool indices in the class file
-     * directly index into this array.  The value stored in this array
-     * is the position in the class file where that constant begins.
-     */
-    private int[] cpoolIndex;
-    private Object[] cpool;
-
-    private Map attrMethods;
-
-    /**
-     * load the bytecode for a given class, by using the class's defining
-     * classloader and assuming that for a class named P.C, the bytecodes are
-     * in a resource named /P/C.class.
-     *
-     * @param c the class of interest
-     * @return a byte array containing the bytecode
-     * @throws IOException
-     */
-    protected static byte[] getBytes(Class c) throws IOException {
-        InputStream fin = c.getResourceAsStream('/' + c.getName().replace('.', '/') + ".class");
-        if (fin == null) {
-            throw new IOException(
-                    Messages.getMessage("cantLoadByecode", c.getName()));
-        }
-        try {
-            ByteArrayOutputStream out = new ByteArrayOutputStream();
-            byte[] buf = new byte[1024];
-            int actual;
-            do {
-                actual = fin.read(buf);
-                if (actual > 0) {
-                    out.write(buf, 0, actual);
-                }
-            } while (actual > 0);
-            return out.toByteArray();
-        } finally {
-            fin.close();
-        }
-    }
-
-    static String classDescriptorToName(String desc) {
-        return desc.replace('/', '.');
-    }
-
-    protected static Map findAttributeReaders(Class c) {
-        HashMap map = new HashMap();
-        Method[] methods = c.getMethods();
-
-        for (int i = 0; i < methods.length; i++) {
-            String name = methods[i].getName();
-            if (name.startsWith("read") && methods[i].getReturnType() == void.class) {
-                map.put(name.substring(4), methods[i]);
-            }
-        }
-
-        return map;
-    }
-
-
-    protected static String getSignature(Member method, Class[] paramTypes) {
-        // compute the method descriptor
-
-        StringBuffer b = new StringBuffer((method instanceof Method) ? method.getName() : "<init>");
-        b.append('(');
-
-        for (int i = 0; i < paramTypes.length; i++) {
-            addDescriptor(b, paramTypes[i]);
-        }
-
-        b.append(')');
-        if (method instanceof Method) {
-            addDescriptor(b, ((Method) method).getReturnType());
-        } else if (method instanceof Constructor) {
-            addDescriptor(b, void.class);
-        }
-
-        return b.toString();
-    }
-
-    private static void addDescriptor(StringBuffer b, Class c) {
-        if (c.isPrimitive()) {
-            if (c == void.class)
-                b.append('V');
-            else if (c == int.class)
-                b.append('I');
-            else if (c == boolean.class)
-                b.append('Z');
-            else if (c == byte.class)
-                b.append('B');
-            else if (c == short.class)
-                b.append('S');
-            else if (c == long.class)
-                b.append('J');
-            else if (c == char.class)
-                b.append('C');
-            else if (c == float.class)
-                b.append('F');
-            else if (c == double.class) b.append('D');
-        } else if (c.isArray()) {
-            b.append('[');
-            addDescriptor(b, c.getComponentType());
-        } else {
-            b.append('L').append(c.getName().replace('.', '/')).append(';');
-        }
-    }
-
-
-    /**
-     * @return the next unsigned 16 bit value
-     */
-    protected final int readShort() {
-        return (read() << 8) | read();
-    }
-
-    /**
-     * @return the next signed 32 bit value
-     */
-    protected final int readInt() {
-        return (read() << 24) | (read() << 16) | (read() << 8) | read();
-    }
-
-    /**
-     * skip n bytes in the input stream.
-     */
-    protected void skipFully(int n) throws IOException {
-        while (n > 0) {
-            int c = (int) skip(n);
-            if (c <= 0)
-                throw new EOFException(Messages.getMessage("unexpectedEOF00"));
-            n -= c;
-        }
-    }
-
-    protected final Member resolveMethod(int index) throws IOException, ClassNotFoundException, NoSuchMethodException {
-        int oldPos = pos;
-        try {
-            Member m = (Member) cpool[index];
-            if (m == null) {
-                pos = cpoolIndex[index];
-                Class owner = resolveClass(readShort());
-                NameAndType nt = resolveNameAndType(readShort());
-                String signature = nt.name + nt.type;
-                if (nt.name.equals("<init>")) {
-                    Constructor[] ctors = owner.getConstructors();
-                    for (int i = 0; i < ctors.length; i++) {
-                        String sig = getSignature(ctors[i], ctors[i].getParameterTypes());
-                        if (sig.equals(signature)) {
-                            cpool[index] = m = ctors[i];
-                            return m;
-                        }
-                    }
-                } else {
-                    Method[] methods = owner.getDeclaredMethods();
-                    for (int i = 0; i < methods.length; i++) {
-                        String sig = getSignature(methods[i], methods[i].getParameterTypes());
-                        if (sig.equals(signature)) {
-                            cpool[index] = m = methods[i];
-                            return m;
-                        }
-                    }
-                }
-                throw new NoSuchMethodException(signature);
-            }
-            return m;
-        } finally {
-            pos = oldPos;
-        }
-
-    }
-
-    protected final Field resolveField(int i) throws IOException, ClassNotFoundException, NoSuchFieldException {
-        int oldPos = pos;
-        try {
-            Field f = (Field) cpool[i];
-            if (f == null) {
-                pos = cpoolIndex[i];
-                Class owner = resolveClass(readShort());
-                NameAndType nt = resolveNameAndType(readShort());
-                cpool[i] = f = owner.getDeclaredField(nt.name);
-            }
-            return f;
-        } finally {
-            pos = oldPos;
-        }
-    }
-
-    private static class NameAndType {
-        String name;
-        String type;
-
-        public NameAndType(String name, String type) {
-            this.name = name;
-            this.type = type;
-        }
-    }
-
-    protected final NameAndType resolveNameAndType(int i) throws IOException {
-        int oldPos = pos;
-        try {
-            NameAndType nt = (NameAndType) cpool[i];
-            if (nt == null) {
-                pos = cpoolIndex[i];
-                String name = resolveUtf8(readShort());
-                String type = resolveUtf8(readShort());
-                cpool[i] = nt = new NameAndType(name, type);
-            }
-            return nt;
-        } finally {
-            pos = oldPos;
-        }
-    }
-
-
-    protected final Class resolveClass(int i) throws IOException, ClassNotFoundException {
-        int oldPos = pos;
-        try {
-            Class c = (Class) cpool[i];
-            if (c == null) {
-                pos = cpoolIndex[i];
-                String name = resolveUtf8(readShort());
-                cpool[i] = c = Class.forName(classDescriptorToName(name));
-            }
-            return c;
-        } finally {
-            pos = oldPos;
-        }
-    }
-
-    protected final String resolveUtf8(int i) throws IOException {
-        int oldPos = pos;
-        try {
-            String s = (String) cpool[i];
-            if (s == null) {
-                pos = cpoolIndex[i];
-                int len = readShort();
-                skipFully(len);
-                cpool[i] = s = new String(buf, pos - len, len, "utf-8");
-            }
-            return s;
-        } finally {
-            pos = oldPos;
-        }
-    }
-
-    protected final void readCpool() throws IOException {
-        int count = readShort(); // cpool count
-        cpoolIndex = new int[count];
-        cpool = new Object[count];
-        for (int i = 1; i < count; i++) {
-            int c = read();
-            cpoolIndex[i] = super.pos;
-            switch (c) // constant pool tag
-            {
-                case CONSTANT_Fieldref:
-                case CONSTANT_Methodref:
-                case CONSTANT_InterfaceMethodref:
-                case CONSTANT_NameAndType:
-
-                    readShort(); // class index or (12) name index
-                    // fall through
-
-                case CONSTANT_Class:
-                case CONSTANT_String:
-
-                    readShort(); // string index or class index
-                    break;
-
-                case CONSTANT_Long:
-                case CONSTANT_Double:
-
-                    readInt(); // hi-value
-
-                    // see jvm spec section 4.4.5 - double and long cpool
-                    // entries occupy two "slots" in the cpool table.
-                    i++;
-                    // fall through
-
-                case CONSTANT_Integer:
-                case CONSTANT_Float:
-
-                    readInt(); // value
-                    break;
-
-                case CONSTANT_Utf8:
-
-                    int len = readShort();
-                    skipFully(len);
-                    break;
-
-                default:
-                    // corrupt class file
-                    throw new IllegalStateException(
-                            Messages.getMessage("unexpectedBytes00"));
-            }
-        }
-    }
-
-    protected final void skipAttributes() throws IOException {
-        int count = readShort();
-        for (int i = 0; i < count; i++) {
-            readShort(); // name index
-            skipFully(readInt());
-        }
-    }
-
-    /**
-     * read an attributes array.  the elements of a class file that
-     * can contain attributes are: fields, methods, the class itself,
-     * and some other types of attributes.
-     */
-    protected final void readAttributes() throws IOException {
-        int count = readShort();
-        for (int i = 0; i < count; i++) {
-            int nameIndex = readShort(); // name index
-            int attrLen = readInt();
-            int curPos = pos;
-
-            String attrName = resolveUtf8(nameIndex);
-
-            Method m = (Method) attrMethods.get(attrName);
-
-            if (m != null) {
-                try {
-                    m.invoke(this, new Object[]{});
-                } catch (IllegalAccessException e) {
-                    pos = curPos;
-                    skipFully(attrLen);
-                } catch (InvocationTargetException e) {
-                    try {
-                        throw e.getTargetException();
-                    } catch (Error ex) {
-                        throw ex;
-                    } catch (RuntimeException ex) {
-                        throw ex;
-                    } catch (IOException ex) {
-                        throw ex;
-                    } catch (Throwable ex) {
-                        pos = curPos;
-                        skipFully(attrLen);
-                    }
-                }
-            } else {
-                // don't care what attribute this is
-                skipFully(attrLen);
-            }
-        }
-    }
-
-    /**
-     * read a code attribute
-     *
-     * @throws IOException
-     */
-    public void readCode() throws IOException {
-        readShort(); // max stack
-        readShort(); // max locals
-        skipFully(readInt()); // code
-        skipFully(8 * readShort()); // exception table
-
-        // read the code attributes (recursive).  This is where
-        // we will find the LocalVariableTable attribute.
-        readAttributes();
-    }
-
-    protected ClassReader(byte buf[], Map attrMethods) {
-        super(buf);
-
-        this.attrMethods = attrMethods;
-    }
-}
-
+package org.apache.axis2.wsdl.java2wsdl.bytecode;
+
+import org.apache.axis2.i18n.Messages;
+
+import java.io.*;
+import java.lang.reflect.*;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This is the class file reader for obtaining the parameter names
+ * for declared methods in a class.  The class must have debugging
+ * attributes for us to obtain this information. <p>
+ * <p/>
+ * This does not work for inherited methods.  To obtain parameter
+ * names for inherited methods, you must use a paramReader for the
+ * class that originally declared the method. <p>
+ * <p/>
+ * don't get tricky, it's the bare minimum.  Instances of this class
+ * are not threadsafe -- don't share them. <p>
+ *
+ * @author Edwin Smith, Macromedia
+ */
+public class ClassReader extends ByteArrayInputStream {
+    // constants values that appear in java class files,
+    // from jvm spec 2nd ed, section 4.4, pp 103
+    private final int CONSTANT_Class = 7;
+    private final int CONSTANT_Fieldref = 9;
+    private final int CONSTANT_Methodref = 10;
+    private final int CONSTANT_InterfaceMethodref = 11;
+    private final int CONSTANT_String = 8;
+    private final int CONSTANT_Integer = 3;
+    private final int CONSTANT_Float = 4;
+    private final int CONSTANT_Long = 5;
+    private final int CONSTANT_Double = 6;
+    private final int CONSTANT_NameAndType = 12;
+    private final int CONSTANT_Utf8 = 1;
+    /**
+     * the constant pool.  constant pool indices in the class file
+     * directly index into this array.  The value stored in this array
+     * is the position in the class file where that constant begins.
+     */
+    private int[] cpoolIndex;
+    private Object[] cpool;
+
+    private Map attrMethods;
+
+    /**
+     * Loads the bytecode for a given class, by using the class's defining
+     * classloader and assuming that for a class named P.C, the bytecodes are
+     * in a resource named /P/C.class.
+     *
+     * @param c the class of interest
+     * @return Returns a byte array containing the bytecode
+     * @throws IOException
+     */
+    protected static byte[] getBytes(Class c) throws IOException {
+        InputStream fin = c.getResourceAsStream('/' + c.getName().replace('.', '/') + ".class");
+        if (fin == null) {
+            throw new IOException(
+                    Messages.getMessage("cantLoadByecode", c.getName()));
+        }
+        try {
+            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            byte[] buf = new byte[1024];
+            int actual;
+            do {
+                actual = fin.read(buf);
+                if (actual > 0) {
+                    out.write(buf, 0, actual);
+                }
+            } while (actual > 0);
+            return out.toByteArray();
+        } finally {
+            fin.close();
+        }
+    }
+
+    static String classDescriptorToName(String desc) {
+        return desc.replace('/', '.');
+    }
+
+    protected static Map findAttributeReaders(Class c) {
+        HashMap map = new HashMap();
+        Method[] methods = c.getMethods();
+
+        for (int i = 0; i < methods.length; i++) {
+            String name = methods[i].getName();
+            if (name.startsWith("read") && methods[i].getReturnType() == void.class) {
+                map.put(name.substring(4), methods[i]);
+            }
+        }
+
+        return map;
+    }
+
+
+    protected static String getSignature(Member method, Class[] paramTypes) {
+        // compute the method descriptor
+
+        StringBuffer b = new StringBuffer((method instanceof Method) ? method.getName() : "<init>");
+        b.append('(');
+
+        for (int i = 0; i < paramTypes.length; i++) {
+            addDescriptor(b, paramTypes[i]);
+        }
+
+        b.append(')');
+        if (method instanceof Method) {
+            addDescriptor(b, ((Method) method).getReturnType());
+        } else if (method instanceof Constructor) {
+            addDescriptor(b, void.class);
+        }
+
+        return b.toString();
+    }
+
+    private static void addDescriptor(StringBuffer b, Class c) {
+        if (c.isPrimitive()) {
+            if (c == void.class)
+                b.append('V');
+            else if (c == int.class)
+                b.append('I');
+            else if (c == boolean.class)
+                b.append('Z');
+            else if (c == byte.class)
+                b.append('B');
+            else if (c == short.class)
+                b.append('S');
+            else if (c == long.class)
+                b.append('J');
+            else if (c == char.class)
+                b.append('C');
+            else if (c == float.class)
+                b.append('F');
+            else if (c == double.class) b.append('D');
+        } else if (c.isArray()) {
+            b.append('[');
+            addDescriptor(b, c.getComponentType());
+        } else {
+            b.append('L').append(c.getName().replace('.', '/')).append(';');
+        }
+    }
+
+
+    /**
+     * @return Returns the next unsigned 16 bit value.
+     */
+    protected final int readShort() {
+        return (read() << 8) | read();
+    }
+
+    /**
+     * @return Returns the next signed 32 bit value.
+     */
+    protected final int readInt() {
+        return (read() << 24) | (read() << 16) | (read() << 8) | read();
+    }
+
+    /**
+     * Skips n bytes in the input stream.
+     */
+    protected void skipFully(int n) throws IOException {
+        while (n > 0) {
+            int c = (int) skip(n);
+            if (c <= 0)
+                throw new EOFException(Messages.getMessage("unexpectedEOF00"));
+            n -= c;
+        }
+    }
+
+    protected final Member resolveMethod(int index) throws IOException, ClassNotFoundException, NoSuchMethodException {
+        int oldPos = pos;
+        try {
+            Member m = (Member) cpool[index];
+            if (m == null) {
+                pos = cpoolIndex[index];
+                Class owner = resolveClass(readShort());
+                NameAndType nt = resolveNameAndType(readShort());
+                String signature = nt.name + nt.type;
+                if (nt.name.equals("<init>")) {
+                    Constructor[] ctors = owner.getConstructors();
+                    for (int i = 0; i < ctors.length; i++) {
+                        String sig = getSignature(ctors[i], ctors[i].getParameterTypes());
+                        if (sig.equals(signature)) {
+                            cpool[index] = m = ctors[i];
+                            return m;
+                        }
+                    }
+                } else {
+                    Method[] methods = owner.getDeclaredMethods();
+                    for (int i = 0; i < methods.length; i++) {
+                        String sig = getSignature(methods[i], methods[i].getParameterTypes());
+                        if (sig.equals(signature)) {
+                            cpool[index] = m = methods[i];
+                            return m;
+                        }
+                    }
+                }
+                throw new NoSuchMethodException(signature);
+            }
+            return m;
+        } finally {
+            pos = oldPos;
+        }
+
+    }
+
+    protected final Field resolveField(int i) throws IOException, ClassNotFoundException, NoSuchFieldException {
+        int oldPos = pos;
+        try {
+            Field f = (Field) cpool[i];
+            if (f == null) {
+                pos = cpoolIndex[i];
+                Class owner = resolveClass(readShort());
+                NameAndType nt = resolveNameAndType(readShort());
+                cpool[i] = f = owner.getDeclaredField(nt.name);
+            }
+            return f;
+        } finally {
+            pos = oldPos;
+        }
+    }
+
+    private static class NameAndType {
+        String name;
+        String type;
+
+        public NameAndType(String name, String type) {
+            this.name = name;
+            this.type = type;
+        }
+    }
+
+    protected final NameAndType resolveNameAndType(int i) throws IOException {
+        int oldPos = pos;
+        try {
+            NameAndType nt = (NameAndType) cpool[i];
+            if (nt == null) {
+                pos = cpoolIndex[i];
+                String name = resolveUtf8(readShort());
+                String type = resolveUtf8(readShort());
+                cpool[i] = nt = new NameAndType(name, type);
+            }
+            return nt;
+        } finally {
+            pos = oldPos;
+        }
+    }
+
+
+    protected final Class resolveClass(int i) throws IOException, ClassNotFoundException {
+        int oldPos = pos;
+        try {
+            Class c = (Class) cpool[i];
+            if (c == null) {
+                pos = cpoolIndex[i];
+                String name = resolveUtf8(readShort());
+                cpool[i] = c = Class.forName(classDescriptorToName(name));
+            }
+            return c;
+        } finally {
+            pos = oldPos;
+        }
+    }
+
+    protected final String resolveUtf8(int i) throws IOException {
+        int oldPos = pos;
+        try {
+            String s = (String) cpool[i];
+            if (s == null) {
+                pos = cpoolIndex[i];
+                int len = readShort();
+                skipFully(len);
+                cpool[i] = s = new String(buf, pos - len, len, "utf-8");
+            }
+            return s;
+        } finally {
+            pos = oldPos;
+        }
+    }
+
+    protected final void readCpool() throws IOException {
+        int count = readShort(); // cpool count
+        cpoolIndex = new int[count];
+        cpool = new Object[count];
+        for (int i = 1; i < count; i++) {
+            int c = read();
+            cpoolIndex[i] = super.pos;
+            switch (c) // constant pool tag
+            {
+                case CONSTANT_Fieldref:
+                case CONSTANT_Methodref:
+                case CONSTANT_InterfaceMethodref:
+                case CONSTANT_NameAndType:
+
+                    readShort(); // class index or (12) name index
+                    // fall through
+
+                case CONSTANT_Class:
+                case CONSTANT_String:
+
+                    readShort(); // string index or class index
+                    break;
+
+                case CONSTANT_Long:
+                case CONSTANT_Double:
+
+                    readInt(); // hi-value
+
+                    // see jvm spec section 4.4.5 - double and long cpool
+                    // entries occupy two "slots" in the cpool table.
+                    i++;
+                    // fall through
+
+                case CONSTANT_Integer:
+                case CONSTANT_Float:
+
+                    readInt(); // value
+                    break;
+
+                case CONSTANT_Utf8:
+
+                    int len = readShort();
+                    skipFully(len);
+                    break;
+
+                default:
+                    // corrupt class file
+                    throw new IllegalStateException(
+                            Messages.getMessage("unexpectedBytes00"));
+            }
+        }
+    }
+
+    protected final void skipAttributes() throws IOException {
+        int count = readShort();
+        for (int i = 0; i < count; i++) {
+            readShort(); // name index
+            skipFully(readInt());
+        }
+    }
+
+    /**
+     * Reads an attributes array.  The elements of a class file that
+     * can contain attributes are: fields, methods, the class itself,
+     * and some other types of attributes.
+     */
+    protected final void readAttributes() throws IOException {
+        int count = readShort();
+        for (int i = 0; i < count; i++) {
+            int nameIndex = readShort(); // name index
+            int attrLen = readInt();
+            int curPos = pos;
+
+            String attrName = resolveUtf8(nameIndex);
+
+            Method m = (Method) attrMethods.get(attrName);
+
+            if (m != null) {
+                try {
+                    m.invoke(this, new Object[]{});
+                } catch (IllegalAccessException e) {
+                    pos = curPos;
+                    skipFully(attrLen);
+                } catch (InvocationTargetException e) {
+                    try {
+                        throw e.getTargetException();
+                    } catch (Error ex) {
+                        throw ex;
+                    } catch (RuntimeException ex) {
+                        throw ex;
+                    } catch (IOException ex) {
+                        throw ex;
+                    } catch (Throwable ex) {
+                        pos = curPos;
+                        skipFully(attrLen);
+                    }
+                }
+            } else {
+                // don't care what attribute this is
+                skipFully(attrLen);
+            }
+        }
+    }
+
+    /**
+     * Reads a code attribute.
+     *
+     * @throws IOException
+     */
+    public void readCode() throws IOException {
+        readShort(); // max stack
+        readShort(); // max locals
+        skipFully(readInt()); // code
+        skipFully(8 * readShort()); // exception table
+
+        // read the code attributes (recursive).  This is where
+        // we will find the LocalVariableTable attribute.
+        readAttributes();
+    }
+
+    protected ClassReader(byte buf[], Map attrMethods) {
+        super(buf);
+
+        this.attrMethods = attrMethods;
+    }
+}
+

Modified: webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamNameExtractor.java
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamNameExtractor.java?rev=358336&r1=358335&r2=358336&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamNameExtractor.java (original)
+++ webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamNameExtractor.java Wed Dec 21 09:55:46 2005
@@ -1,51 +1,51 @@
-package org.apache.axis2.wsdl.java2wsdl.bytecode;
-
-import org.apache.axis2.i18n.Messages;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import java.io.IOException;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-
-/**
- * This class retieves function parameter names from bytecode built with
- * debugging symbols.  Used as a last resort when creating WSDL.
- *
- * @author <a href="mailto:tomj@macromedia.com">Tom Jordahl</a>
- */
-public class ParamNameExtractor {
-
-    protected static Log log = LogFactory.getLog(ParamNameExtractor.class.getName());
-
-    /**
-     * Retrieve a list of function parameter names from a method
-     * Returns null if unable to read parameter names (i.e. bytecode not
-     * built with debug).
-     */
-    public static String[] getParameterNamesFromDebugInfo(Method method) {
-        // Don't worry about it if there are no params.
-        int numParams = method.getParameterTypes().length;
-        if (numParams == 0)
-            return null;
-
-        // get declaring class
-        Class c = method.getDeclaringClass();
-
-        // Don't worry about it if the class is a Java dynamic proxy
-        if (Proxy.isProxyClass(c)) {
-            return null;
-        }
-
-        try {
-            // get a parameter reader
-            ParamReader pr = new ParamReader(c);
-            // get the paramter names
-            return pr.getParameterNames(method);
-        } catch (IOException e) {
-            // log it and leave
-            log.info(Messages.getMessage("error00") + ":" + e);
-            return null;
-        }
-    }
-}
\ No newline at end of file
+package org.apache.axis2.wsdl.java2wsdl.bytecode;
+
+import org.apache.axis2.i18n.Messages;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+/**
+ * This class retrieves function parameter names from bytecode built with
+ * debugging symbols.  Used as a last resort when creating WSDL.
+ *
+ * @author <a href="mailto:tomj@macromedia.com">Tom Jordahl</a>
+ */
+public class ParamNameExtractor {
+
+    protected static Log log = LogFactory.getLog(ParamNameExtractor.class.getName());
+
+    /**
+     * Retrieves a list of function parameter names from a method. 
+     * Returns null if unable to read parameter names (i.e. bytecode not
+     * built with debug).
+     */
+    public static String[] getParameterNamesFromDebugInfo(Method method) {
+        // Don't worry about it if there are no params.
+        int numParams = method.getParameterTypes().length;
+        if (numParams == 0)
+            return null;
+
+        // get declaring class
+        Class c = method.getDeclaringClass();
+
+        // Don't worry about it if the class is a Java dynamic proxy
+        if (Proxy.isProxyClass(c)) {
+            return null;
+        }
+
+        try {
+            // get a parameter reader
+            ParamReader pr = new ParamReader(c);
+            // get the paramter names
+            return pr.getParameterNames(method);
+        } catch (IOException e) {
+            // log it and leave
+            log.info(Messages.getMessage("error00") + ":" + e);
+            return null;
+        }
+    }
+}

Modified: webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamReader.java
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamReader.java?rev=358336&r1=358335&r2=358336&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamReader.java (original)
+++ webservices/axis2/trunk/java/modules/wsdl/src/org/apache/axis2/wsdl/java2wsdl/bytecode/ParamReader.java Wed Dec 21 09:55:46 2005
@@ -1,208 +1,208 @@
-package org.apache.axis2.wsdl.java2wsdl.bytecode;
-
-import org.apache.axis2.i18n.Messages;
-
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Member;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * This is the class file reader for obtaining the parameter names
- * for declared methods in a class.  The class must have debugging
- * attributes for us to obtain this information. <p>
- * <p/>
- * This does not work for inherited methods.  To obtain parameter
- * names for inherited methods, you must use a paramReader for the
- * class that originally declared the method. <p>
- * <p/>
- * don't get tricky, it's the bare minimum.  Instances of this class
- * are not threadsafe -- don't share them. <p>
- *
- * @author Edwin Smith, Macromedia
- */
-public class ParamReader
-        extends ClassReader {
-    private String methodName;
-    private Map methods = new HashMap();
-    private Class[] paramTypes;
-
-    /**
-     * process a class file, given it's class.  We'll use the defining
-     * classloader to locate the bytecode.
-     *
-     * @param c
-     * @throws java.io.IOException
-     */
-    public ParamReader(Class c) throws IOException {
-        this(getBytes(c));
-    }
-
-    /**
-     * process the given class bytes directly.
-     *
-     * @param b
-     * @throws IOException
-     */
-    public ParamReader(byte[] b) throws IOException {
-        super(b, findAttributeReaders(ParamReader.class));
-
-        // check the magic number
-        if (readInt() != 0xCAFEBABE) {
-            // not a class file!
-            throw new IOException(Messages.getMessage("badClassFile00"));
-        }
-
-        readShort(); // minor version
-        readShort(); // major version
-
-        readCpool(); // slurp in the constant pool
-
-        readShort(); // access flags
-        readShort(); // this class name
-        readShort(); // super class name
-
-        int count = readShort(); // ifaces count
-        for (int i = 0; i < count; i++) {
-            readShort(); // interface index
-        }
-
-        count = readShort(); // fields count
-        for (int i = 0; i < count; i++) {
-            readShort(); // access flags
-            readShort(); // name index
-            readShort(); // descriptor index
-            skipAttributes(); // field attributes
-        }
-
-        count = readShort(); // methods count
-        for (int i = 0; i < count; i++) {
-            readShort(); // access flags
-            int m = readShort(); // name index
-            String name = resolveUtf8(m);
-            int d = readShort(); // descriptor index
-            this.methodName = name + resolveUtf8(d);
-            readAttributes(); // method attributes
-        }
-
-    }
-
-    public void readCode() throws IOException {
-        readShort(); // max stack
-        int maxLocals = readShort(); // max locals
-
-        MethodInfo info = new MethodInfo(maxLocals);
-        if (methods != null && methodName != null) {
-            methods.put(methodName, info);
-        }
-
-        skipFully(readInt()); // code
-        skipFully(8 * readShort()); // exception table
-        // read the code attributes (recursive).  This is where
-        // we will find the LocalVariableTable attribute.
-        readAttributes();
-    }
-
-    /**
-     * return the names of the declared parameters for the given constructor.
-     * If we cannot determine the names, return null.  The returned array will
-     * have one name per parameter.  The length of the array will be the same
-     * as the length of the Class[] array returned by Constructor.getParameterTypes().
-     *
-     * @param ctor
-     * @return String[] array of names, one per parameter, or null
-     */
-    public String[] getParameterNames(Constructor ctor) {
-        paramTypes = ctor.getParameterTypes();
-        return getParameterNames(ctor, paramTypes);
-    }
-
-    /**
-     * return the names of the declared parameters for the given method.
-     * If we cannot determine the names, return null.  The returned array will
-     * have one name per parameter.  The length of the array will be the same
-     * as the length of the Class[] array returned by Method.getParameterTypes().
-     *
-     * @param method
-     * @return String[] array of names, one per parameter, or null
-     */
-    public String[] getParameterNames(Method method) {
-        paramTypes = method.getParameterTypes();
-        return getParameterNames(method, paramTypes);
-    }
-
-    protected String[] getParameterNames(Member member, Class [] paramTypes) {
-        // look up the names for this method
-        MethodInfo info = (MethodInfo) methods.get(getSignature(member, paramTypes));
-
-        // we know all the local variable names, but we only need to return
-        // the names of the parameters.
-
-        if (info != null) {
-            String[] paramNames = new String[paramTypes.length];
-            int j = Modifier.isStatic(member.getModifiers()) ? 0 : 1;
-
-            boolean found = false;  // did we find any non-null names
-            for (int i = 0; i < paramNames.length; i++) {
-                if (info.names[j] != null) {
-                    found = true;
-                    paramNames[i] = info.names[j];
-                }
-                j++;
-                if (paramTypes[i] == double.class || paramTypes[i] == long.class) {
-                    // skip a slot for 64bit params
-                    j++;
-                }
-            }
-
-            if (found) {
-                return paramNames;
-            } else {
-                return null;
-            }
-        } else {
-            return null;
-        }
-    }
-
-    private static class MethodInfo {
-        String[] names;
-        int maxLocals;
-
-        public MethodInfo(int maxLocals) {
-            this.maxLocals = maxLocals;
-            names = new String[maxLocals];
-        }
-    }
-
-    private MethodInfo getMethodInfo() {
-        MethodInfo info = null;
-        if (methods != null && methodName != null) {
-            info = (MethodInfo) methods.get(methodName);
-        }
-        return info;
-    }
-
-    /**
-     * this is invoked when a LocalVariableTable attribute is encountered.
-     *
-     * @throws IOException
-     */
-    public void readLocalVariableTable() throws IOException {
-        int len = readShort(); // table length
-        MethodInfo info = getMethodInfo();
-        for (int j = 0; j < len; j++) {
-            readShort(); // start pc
-            readShort(); // length
-            int nameIndex = readShort(); // name_index
-            readShort(); // descriptor_index
-            int index = readShort(); // local index
-            if (info != null) {
-                info.names[index] = resolveUtf8(nameIndex);
-            }
-        }
-    }
-}
+package org.apache.axis2.wsdl.java2wsdl.bytecode;
+
+import org.apache.axis2.i18n.Messages;
+
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This is the class file reader for obtaining the parameter names
+ * for declared methods in a class.  The class must have debugging
+ * attributes for us to obtain this information. <p>
+ * <p/>
+ * This does not work for inherited methods.  To obtain parameter
+ * names for inherited methods, you must use a paramReader for the
+ * class that originally declared the method. <p>
+ * <p/>
+ * don't get tricky, it's the bare minimum.  Instances of this class
+ * are not threadsafe -- don't share them. <p>
+ *
+ * @author Edwin Smith, Macromedia
+ */
+public class ParamReader
+        extends ClassReader {
+    private String methodName;
+    private Map methods = new HashMap();
+    private Class[] paramTypes;
+
+    /**
+     * Processes a class file, given it's class.  We'll use the defining
+     * classloader to locate the bytecode.
+     *
+     * @param c
+     * @throws java.io.IOException
+     */
+    public ParamReader(Class c) throws IOException {
+        this(getBytes(c));
+    }
+
+    /**
+     * Processes the given class bytes directly.
+     *
+     * @param b
+     * @throws IOException
+     */
+    public ParamReader(byte[] b) throws IOException {
+        super(b, findAttributeReaders(ParamReader.class));
+
+        // check the magic number
+        if (readInt() != 0xCAFEBABE) {
+            // not a class file!
+            throw new IOException(Messages.getMessage("badClassFile00"));
+        }
+
+        readShort(); // minor version
+        readShort(); // major version
+
+        readCpool(); // slurp in the constant pool
+
+        readShort(); // access flags
+        readShort(); // this class name
+        readShort(); // super class name
+
+        int count = readShort(); // ifaces count
+        for (int i = 0; i < count; i++) {
+            readShort(); // interface index
+        }
+
+        count = readShort(); // fields count
+        for (int i = 0; i < count; i++) {
+            readShort(); // access flags
+            readShort(); // name index
+            readShort(); // descriptor index
+            skipAttributes(); // field attributes
+        }
+
+        count = readShort(); // methods count
+        for (int i = 0; i < count; i++) {
+            readShort(); // access flags
+            int m = readShort(); // name index
+            String name = resolveUtf8(m);
+            int d = readShort(); // descriptor index
+            this.methodName = name + resolveUtf8(d);
+            readAttributes(); // method attributes
+        }
+
+    }
+
+    public void readCode() throws IOException {
+        readShort(); // max stack
+        int maxLocals = readShort(); // max locals
+
+        MethodInfo info = new MethodInfo(maxLocals);
+        if (methods != null && methodName != null) {
+            methods.put(methodName, info);
+        }
+
+        skipFully(readInt()); // code
+        skipFully(8 * readShort()); // exception table
+        // read the code attributes (recursive).  This is where
+        // we will find the LocalVariableTable attribute.
+        readAttributes();
+    }
+
+    /**
+     * Returns the names of the declared parameters for the given constructor.
+     * If we cannot determine the names, return null.  The returned array will
+     * have one name per parameter.  The length of the array will be the same
+     * as the length of the Class[] array returned by Constructor.getParameterTypes().
+     *
+     * @param ctor
+     * @return Returns String[] array of names, one per parameter, or null
+     */
+    public String[] getParameterNames(Constructor ctor) {
+        paramTypes = ctor.getParameterTypes();
+        return getParameterNames(ctor, paramTypes);
+    }
+
+    /**
+     * Returns the names of the declared parameters for the given method.
+     * If we cannot determine the names, return null.  The returned array will
+     * have one name per parameter.  The length of the array will be the same
+     * as the length of the Class[] array returned by Method.getParameterTypes().
+     *
+     * @param method
+     * @return Returns String[] array of names, one per parameter, or null
+     */
+    public String[] getParameterNames(Method method) {
+        paramTypes = method.getParameterTypes();
+        return getParameterNames(method, paramTypes);
+    }
+
+    protected String[] getParameterNames(Member member, Class [] paramTypes) {
+        // look up the names for this method
+        MethodInfo info = (MethodInfo) methods.get(getSignature(member, paramTypes));
+
+        // we know all the local variable names, but we only need to return
+        // the names of the parameters.
+
+        if (info != null) {
+            String[] paramNames = new String[paramTypes.length];
+            int j = Modifier.isStatic(member.getModifiers()) ? 0 : 1;
+
+            boolean found = false;  // did we find any non-null names
+            for (int i = 0; i < paramNames.length; i++) {
+                if (info.names[j] != null) {
+                    found = true;
+                    paramNames[i] = info.names[j];
+                }
+                j++;
+                if (paramTypes[i] == double.class || paramTypes[i] == long.class) {
+                    // skip a slot for 64bit params
+                    j++;
+                }
+            }
+
+            if (found) {
+                return paramNames;
+            } else {
+                return null;
+            }
+        } else {
+            return null;
+        }
+    }
+
+    private static class MethodInfo {
+        String[] names;
+        int maxLocals;
+
+        public MethodInfo(int maxLocals) {
+            this.maxLocals = maxLocals;
+            names = new String[maxLocals];
+        }
+    }
+
+    private MethodInfo getMethodInfo() {
+        MethodInfo info = null;
+        if (methods != null && methodName != null) {
+            info = (MethodInfo) methods.get(methodName);
+        }
+        return info;
+    }
+
+    /**
+     * This is invoked when a LocalVariableTable attribute is encountered.
+     *
+     * @throws IOException
+     */
+    public void readLocalVariableTable() throws IOException {
+        int len = readShort(); // table length
+        MethodInfo info = getMethodInfo();
+        for (int j = 0; j < len; j++) {
+            readShort(); // start pc
+            readShort(); // length
+            int nameIndex = readShort(); // name_index
+            readShort(); // descriptor_index
+            int index = readShort(); // local index
+            if (info != null) {
+                info.names[index] = resolveUtf8(nameIndex);
+            }
+        }
+    }
+}