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/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later,
 * or the Apache License Version 2.0.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package javassist;

import java.io.DataOutputStream;
import java.io.IOException;
import javassist.bytecode.ClassFile;

class CtNewClass extends CtClassType {
    /* true if the class is an interface.
     */
    protected boolean hasConstructor;

    CtNewClass(String name, ClassPool cp,
               boolean isInterface, CtClass superclass) {
        super(name, cp);
        wasChanged = true;
        String superName;
        if (isInterface || superclass == null)
            superName = null;
        else
            superName = superclass.getName();

        classfile = new ClassFile(isInterface, name, superName);
        if (isInterface && superclass != null)
            classfile.setInterfaces(new String[] { superclass.getName() });

        setModifiers(Modifier.setPublic(getModifiers()));
        hasConstructor = isInterface;
    }

    protected void extendToString(StringBuffer buffer) {
        if (hasConstructor)
            buffer.append("hasConstructor ");

        super.extendToString(buffer);
    }

    public void addConstructor(CtConstructor c)
        throws CannotCompileException
    {
        hasConstructor = true;
        super.addConstructor(c);
    }

    public void toBytecode(DataOutputStream out)
        throws CannotCompileException, IOException
    {
        if (!hasConstructor)
            try {
                inheritAllConstructors();
                hasConstructor = true;
            }
            catch (NotFoundException e) {
                throw new CannotCompileException(e);
            }

        super.toBytecode(out);
    }

    /**
     * Adds constructors inhrited from the super class.
     *
     * 

After this method is called, the class inherits all the * constructors from the super class. The added constructor * calls the super's constructor with the same signature. */ public void inheritAllConstructors() throws CannotCompileException, NotFoundException { CtClass superclazz; CtConstructor[] cs; superclazz = getSuperclass(); cs = superclazz.getDeclaredConstructors(); int n = 0; for (int i = 0; i < cs.length; ++i) { CtConstructor c = cs[i]; int mod = c.getModifiers(); if (isInheritable(mod, superclazz)) { CtConstructor cons = CtNewConstructor.make(c.getParameterTypes(), c.getExceptionTypes(), this); cons.setModifiers(mod & (Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE)); addConstructor(cons); ++n; } } if (n < 1) throw new CannotCompileException( "no inheritable constructor in " + superclazz.getName()); } private boolean isInheritable(int mod, CtClass superclazz) { if (Modifier.isPrivate(mod)) return false; if (Modifier.isPackage(mod)) { String pname = getPackageName(); String pname2 = superclazz.getPackageName(); if (pname == null) return pname2 == null; else return pname.equals(pname2); } return true; } }





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