AstAcceptableNode.java

/**
 * Copyright 2007-2015, Kaazing Corporation. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kaazing.k3po.lang.internal.ast;

import static org.kaazing.k3po.lang.internal.ast.util.AstUtil.equivalent;

public class AstAcceptableNode extends AstStreamNode {

    private String acceptName;

    public String getAcceptName() {
        return acceptName;
    }

    public void setAcceptName(String acceptName) {
        this.acceptName = acceptName;
    }

    @Override
    protected int hashTo() {
        int hashCode = super.hashTo();

        if (acceptName != null) {
            hashCode <<= 4;
            hashCode ^= acceptName.hashCode();
        }

        return hashCode;
    }

    @Override
    protected boolean equalTo(AstRegion that) {
        return that instanceof AstAcceptableNode && equalTo((AstAcceptableNode) that);
    }

    @Override
    public <R, P> R accept(Visitor<R, P> visitor, P parameter) throws Exception {
        return visitor.visit(this, parameter);
    }

    @Override
    protected void describeLine(StringBuilder sb) {
        super.describeLine(sb);

        sb.append("accepted");

        if (acceptName != null) {
            sb.append(" as ");
            sb.append(acceptName);
        }

        sb.append('\n');
    }

    protected boolean equalTo(AstAcceptableNode that) {
        return super.equalTo(that) && equivalent(this.acceptName, that.acceptName);
    }

}