/**
* 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 javax.xml.crypto.test.dsig;
import java.io.File;
import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Map;
import javax.xml.crypto.Data;
import javax.xml.crypto.OctetStreamData;
import javax.xml.crypto.URIDereferencer;
import javax.xml.crypto.URIReference;
import javax.xml.crypto.URIReferenceException;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.dsig.XMLSignatureFactory;
/**
* This URIDereferencer implementation retrieves http references used in
* test signatures from local disk in order to avoid network requests.
*/
public class LocalHttpCacheURIDereferencer implements URIDereferencer {
private final URIDereferencer ud;
private static final String FS = System.getProperty("file.separator");
private static final String BASEDIR = System.getProperty("basedir");
private final Map<String, File> uriMap;
public LocalHttpCacheURIDereferencer() {
ud = XMLSignatureFactory.getInstance().getURIDereferencer();
String base = BASEDIR == null ? "./": BASEDIR;
File dir = new File(base + FS + "src/test/resources" + FS + "javax" +
FS + "xml" + FS + "crypto" + FS + "dsig");
uriMap = new HashMap<String, File>();
uriMap.put("http://www.w3.org/TR/xml-stylesheet",
new File(dir, "xml-stylesheet"));
uriMap.put("http://www.w3.org/Signature/2002/04/xml-stylesheet.b64",
new File(dir, "xml-stylesheet.b64"));
uriMap.put("http://www.ietf.org/rfc/rfc3161.txt",
new File(dir, "rfc3161.txt"));
}
public Data dereference(URIReference uriReference, XMLCryptoContext context)
throws URIReferenceException {
String uri = uriReference.getURI();
if (uriMap.containsKey(uri)) {
try {
FileInputStream fis = new FileInputStream(uriMap.get(uri));
return new OctetStreamData(
fis, uriReference.getURI(), uriReference.getType());
} catch (Exception e) { throw new URIReferenceException(e); }
}
// fallback on builtin deref
return ud.dereference(uriReference, context);
}
}