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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
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 * 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,
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 *
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package javax.xml.catalog;

import java.net.URL;

Represents a rewriteURI entry.
Since:
9/**
 * Represents a rewriteURI entry.
 *
 * @since 9
 */
final class RewriteUri extends BaseEntry {
    String uriStartString;
    URL rewritePrefix;

    
Construct a rewriteURI entry.
Params:
uriStartString – The uriStartString attribute.
rewritePrefix – The rewritePrefix attribute./**
     * Construct a rewriteURI entry.
     * @param uriStartString The uriStartString attribute.
     * @param rewritePrefix The rewritePrefix attribute.
     */
    public RewriteUri(String base, String uriStartString, String rewritePrefix) {
        super(CatalogEntryType.REWRITEURI, base);
        setURIStartString (uriStartString);
        setRewritePrefix(rewritePrefix);
    }

    
Set the uriStartString attribute.
Params:
uriStartString – The uriStartString attribute value./**
     * Set the uriStartString attribute.
     * @param uriStartString The uriStartString attribute value.
     */
    public void setURIStartString (String uriStartString) {
        CatalogMessages.reportNPEOnNull("uriStartString", uriStartString);
        this.uriStartString = Normalizer.normalizeURI(uriStartString);
    }

    
Set the rewritePrefix attribute. If the value of the rewritePrefix attribute
is relative, it must be made absolute with respect to the base URI currently in effect.
Params:
rewritePrefix – The rewritePrefix attribute value./**
     * Set the rewritePrefix attribute. If the value of the rewritePrefix attribute
     * is relative, it must be made absolute with respect to the base URI currently in effect.
     *
     * @param rewritePrefix The rewritePrefix attribute value.
     */
    public void setRewritePrefix(String rewritePrefix) {
        this.rewritePrefix = verifyURI("setRewritePrefix", baseURI, rewritePrefix);
    }

    
Get the uriStartString attribute.
Returns:
The uriStartString/**
     * Get the uriStartString attribute.
     * @return The uriStartString
     */
    public String getURIStartString () {
        return uriStartString;
    }

    
Get the rewritePrefix attribute.
Returns:
The rewritePrefix attribute value./**
     * Get the rewritePrefix attribute.
     * @return The rewritePrefix attribute value.
     */
    public URL getRewritePrefix() {
        return rewritePrefix;
    }

    
Try to match the specified systemId with the entry. Return the match if it
is successful and the length of the systemIdStartString is longer than the
longest of any previous match.
Params:
systemId – The systemId to be matched.
currentMatch – The length of uriStartString of previous match if any.
Returns:
The replacement URI if the match is successful, null if not./**
     * Try to match the specified systemId with the entry. Return the match if it
     * is successful and the length of the systemIdStartString is longer than the
     * longest of any previous match.
     *
     * @param systemId The systemId to be matched.
     * @param currentMatch The length of uriStartString of previous match if any.
     * @return The replacement URI if the match is successful, null if not.
     */
    @Override
    public String match(String systemId, int currentMatch) {
        if (uriStartString.length() < systemId.length() &&
                uriStartString.equals(systemId.substring(0, uriStartString.length()))) {
            if (currentMatch < uriStartString.length()) {
                String prefix = rewritePrefix.toExternalForm();
                String sysId;
                if (uriStartString.endsWith(SLASH)) {
                    sysId = systemId.substring(uriStartString.length());
                } else {
                    sysId = systemId.substring(uriStartString.length() + 1);
                }
                if (prefix.endsWith(SLASH)) {
                    return prefix + sysId;
                } else {
                    return prefix + SLASH + sysId;
                }
            }
        }
        return null;
    }

    @Override
    public String match(String systemId) {
        return match(systemId, 0);
    }

}