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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.xml.internal.txw2;

Author:
Kohsuke Kawaguchi/**
 * @author Kohsuke Kawaguchi
 */
abstract class Content {
    private Content next;

    
Returns null if the next token has not decided yet.
/**
     * Returns null if the next token has not decided yet.
     */
    final Content getNext() {
        return next;
    }

    
Params:
doc –  A Content object is so light-weight that it doesn't even remember what document it belongs to. So the caller needs to "remind" a Content who its owner is./**
     *
     * @param doc
     *      A {@link Content} object is so light-weight that
     *      it doesn't even remember what document it belongs to.
     *      So the caller needs to "remind" a {@link Content}
     *      who its owner is.
     */
    final void setNext(Document doc,Content next) {
        assert next!=null;
        assert this.next==null : "next of "+this+" is already set to "+this.next;
        this.next = next;
        doc.run();
    }

    
Returns true if this content is ready to be committed.
/**
     * Returns true if this content is ready to be committed.
     */
    boolean isReadyToCommit() {
        return true;
    }

    
Returns true if this Content can guarantee that no more new namespace decls is necessary for the currently pending start tag. /**
     * Returns true if this {@link Content} can guarantee that
     * no more new namespace decls is necessary for the currently
     * pending start tag.
     */
    abstract boolean concludesPendingStartTag();

    
Accepts a visitor.
/**
     * Accepts a visitor.
     */
    abstract void accept(ContentVisitor visitor);

    
Called when this content is written to the output.
/**
     * Called when this content is written to the output.
     */
    public void written() {
    }
}