/*
 * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.doclets.formats.html;

import com.sun.tools.doclets.internal.toolkit.taglets.*;

/**
 * The output for HTML taglets.
 *
 * @since 1.5
 * @author Jamie Ho
 */

public class TagletOutputImpl implements TagletOutput {

    private StringBuffer output;

    public TagletOutputImpl(String o) {
        setOutput(o);
    }

    /**
     * {@inheritDoc}
     */
    public void setOutput (Object o) {
        output = new StringBuffer(o == null ? "" : (String) o);
    }

    /**
     * {@inheritDoc}
     */
    public void appendOutput(TagletOutput o) {
        output.append(o.toString());
    }

    /**
     * {@inheritDoc}
     */
    public boolean hasInheritDocTag() {
        return output.indexOf(InheritDocTaglet.INHERIT_DOC_INLINE_TAG) != -1;
    }

    public String toString() {
        return output.toString();
    }

    /**
     * Check whether the taglet output is empty.
     */
    public boolean isEmpty() {
        return (toString().trim().isEmpty());
    }
}
