com.sun.codemodel.JNarrowedClass Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxb-xjc
Old JAXB Binding Compiler. Contains source code needed for binding customization files into java sources. In other words: the *tool* to generate java classes for the given xml representation.
There is a newer version: 4.0.5
Show newest version
/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at
 * https://jwsdp.dev.java.net/CDDLv1.0.html
 * See the License for the specific language governing
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * https://jwsdp.dev.java.net/CDDLv1.0.html  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 */
package com.sun.codemodel;

import java.util.Iterator;
import java.util.List;
import java.util.Collections;
import java.util.ArrayList;

/**
 * Represents X<Y>.
 *
 * TODO: consider separating the decl and the use.
 * 
 * @author
 *     Kohsuke Kawaguchi ([email protected])
 */
class JNarrowedClass extends JClass {
    /**
     * A generic class with type parameters.
     */
    final JClass basis;
    /**
     * Arguments to those parameters.
     */
    private final List args;

    JNarrowedClass(JClass basis, JClass arg) {
        this(basis,Collections.singletonList(arg));
    }
    
    JNarrowedClass(JClass basis, List args) {
        super(basis.owner());
        this.basis = basis;
        assert !(basis instanceof JNarrowedClass);
        this.args = args;
    }

    public JClass narrow( JClass clazz ) {
        List newArgs = new ArrayList(args);
        newArgs.add(clazz);
        return new JNarrowedClass(basis,newArgs);
    }

    public JClass narrow( JClass... clazz ) {
        List newArgs = new ArrayList(args);
        for (JClass c : clazz)
            newArgs.add(c);
        return new JNarrowedClass(basis,newArgs);
    }

    public String name() {
        StringBuffer buf = new StringBuffer();
        buf.append(basis.name());
        buf.append('<');
        boolean first = true;
        for (JClass c : args) {
            if(first)
                first = false;
            else
                buf.append(',');
            buf.append(c.name());
        }
        buf.append('>');
        return buf.toString();
    }
    
    public String fullName() {
        StringBuilder buf = new StringBuilder();
        buf.append(basis.fullName());
        buf.append('<');
        boolean first = true;
        for (JClass c : args) {
            if(first)
                first = false;
            else
                buf.append(',');
            buf.append(c.fullName());
        }
        buf.append('>');
        return buf.toString();
    }

    public String binaryName() {
        StringBuilder buf = new StringBuilder();
        buf.append(basis.binaryName());
        buf.append('<');
        boolean first = true;
        for (JClass c : args) {
            if(first)
                first = false;
            else
                buf.append(',');
            buf.append(c.binaryName());
        }
        buf.append('>');
        return buf.toString();
    }

    public void generate(JFormatter f) {
        f.t(basis).p('<').g(args).p(JFormatter.CLOSE_TYPE_ARGS);
    }

    @Override
    void printLink(JFormatter f) {
        basis.printLink(f);
        f.p("{@code <}");
        boolean first = true;
        for( JClass c : args ) {
            if(first)
                first = false;
            else
                f.p(',');
            c.printLink(f);
        }
        f.p("{@code >}");
    }

    public JPackage _package() {
        return basis._package();
    }

    public JClass _extends() {
        JClass base = basis._extends();
        if(base==null)  return base;
        return base.substituteParams(basis.typeParams(),args);
    }

    public Iterator _implements() {
        return new Iterator() {
            private final Iterator core = basis._implements();
            public void remove() {
                core.remove();
            }
            public JClass next() {
                return core.next().substituteParams(basis.typeParams(),args);
            }
            public boolean hasNext() {
                return core.hasNext();
            }
        };
    }

    public JClass erasure() {
        return basis;
    }

    public boolean isInterface() {
        return basis.isInterface();
    }

    public boolean isAbstract() {
        return basis.isAbstract();
    }

    public boolean isArray() {
        return false;
    }


    //
    // Equality is based on value
    //

    public boolean equals(Object obj) {
        if(!(obj instanceof JNarrowedClass))   return false;
        return fullName().equals(((JClass)obj).fullName());
    }

    public int hashCode() {
        return fullName().hashCode();
    }

    protected JClass substituteParams(JTypeVar[] variables, List bindings) {
        JClass b = basis.substituteParams(variables,bindings);
        boolean different = b!=basis;
        
        List clazz = new ArrayList(args.size());
        for( int i=0; i getTypeParameters() {
        return args;
    }
}