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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package com.sun.tools.internal.xjc.model;

import javax.activation.MimeType;

import javax.xml.bind.annotation.adapters.XmlAdapter;

import com.sun.codemodel.internal.JExpr;

import com.sun.codemodel.internal.JExpression;

import com.sun.codemodel.internal.JStringLiteral;

import com.sun.tools.internal.xjc.outline.Outline;

import com.sun.xml.internal.bind.v2.ClassFactory;

import com.sun.xml.internal.bind.v2.model.core.ID;

import com.sun.xml.internal.xsom.XmlString;

/**

 * General-purpose {@link TypeUse} implementation.

 *

 * @author Kohsuke Kawaguchi

 */

final class TypeUseImpl implements TypeUse {

    private final CNonElement coreType;

    private final boolean collection;

    private final CAdapter adapter;

    private final ID id;

    private final MimeType expectedMimeType;

    public TypeUseImpl(CNonElement itemType, boolean collection, ID id, MimeType expectedMimeType, CAdapter adapter) {

        this.coreType = itemType;

        this.collection = collection;

        this.id = id;

        this.expectedMimeType = expectedMimeType;

        this.adapter = adapter;

    }

    public boolean isCollection() {

        return collection;

    }

    public CNonElement getInfo() {

        return coreType;

    }

    public CAdapter getAdapterUse() {

        return adapter;

    }

    public ID idUse() {

        return id;

    }

    public MimeType getExpectedMimeType() {

        return expectedMimeType;

    }

    public boolean equals(Object o) {

        if (this == o) return true;

        if (!(o instanceof TypeUseImpl)) return false;

        final TypeUseImpl that = (TypeUseImpl) o;

        if (collection != that.collection) return false;

        if (this.id != that.id ) return false;

        if (adapter != null ? !adapter.equals(that.adapter) : that.adapter != null) return false;

        if (coreType != null ? !coreType.equals(that.coreType) : that.coreType != null) return false;

        return true;

    }

    public int hashCode() {

        int result;

        result = (coreType != null ? coreType.hashCode() : 0);

        result = 29 * result + (collection ? 1 : 0);

        result = 29 * result + (adapter != null ? adapter.hashCode() : 0);

        return result;

    }

    public JExpression createConstant(Outline outline, XmlString lexical) {

        if(isCollection())  return null;

        if(adapter==null)     return coreType.createConstant(outline, lexical);

        // [RESULT] new Adapter().unmarshal(CONSTANT);

        JExpression cons = coreType.createConstant(outline, lexical);

        Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

        // try to run the adapter now rather than later.

        if(cons instanceof JStringLiteral && atype!=null) {

            JStringLiteral scons = (JStringLiteral) cons;

            XmlAdapter a = ClassFactory.create(atype);

            try {

                Object value = a.unmarshal(scons.str);

                if(value instanceof String) {

                    return JExpr.lit((String)value);

                }

            } catch (Exception e) {

                // assume that we can't eagerly bind this

            }

        }

        return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);

    }

}