/*

 * 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.  Sun designates this

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

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.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());

    }

}