Java example source code file (ExternalEntity.java)

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Java - Java tags/keywords

entitydecl, externalentity, inputsource, ioexception, net, network, sax, saxexception, string, uri, url

The ExternalEntity.java Java example source code

/*
 * Copyright (c) 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.xml.internal.dtdparser;

import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import java.io.IOException;
import java.net.URL;

final class ExternalEntity extends EntityDecl {
    String systemId;    // resolved URI (not relative)
    String publicId;    // "-//xyz//....//en"
    String notation;

    public ExternalEntity(InputEntity in) {
    }

    public InputSource getInputSource(EntityResolver r)
            throws IOException, SAXException {

        InputSource retval;

        retval = r.resolveEntity(publicId, systemId);
        // SAX sez if null is returned, use the URI directly
        if (retval == null)
            retval = Resolver.createInputSource(new URL(systemId), false);
        return retval;
    }
}