/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.gateway.filter.rewrite.impl.html;
import org.apache.commons.io.input.ReaderInputStream;
import org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteFilterContentDescriptor;
import org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriter;
import org.apache.hadoop.gateway.filter.rewrite.spi.UrlRewriteStreamFilter;
import org.apache.hadoop.gateway.util.urltemplate.Resolver;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class HtmlUrlRewriteStreamFilter implements UrlRewriteStreamFilter {
private static String[] TYPES = new String[]{ "application/html", "text/html", "*/html" };
private static String[] NAMES = new String[]{ null };
@Override
public String[] getTypes() {
return TYPES;
}
@Override
public String[] getNames() {
return NAMES;
}
@Override
public InputStream filter(
InputStream stream,
String encoding,
UrlRewriter rewriter,
Resolver resolver,
UrlRewriter.Direction direction,
UrlRewriteFilterContentDescriptor config )
throws IOException {
try {
return new ReaderInputStream(
new HtmlUrlRewriteFilterReader(
new InputStreamReader( stream, encoding ), rewriter, resolver, direction, config ) );
} catch( ParserConfigurationException e ) {
throw new IOException( e );
}
}
}