/*

 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/**

 * 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 com.sun.org.apache.xml.internal.security.utils.resolver.implementations;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.nio.file.Files;

import java.nio.file.Paths;

import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput;

import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverContext;

import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverSpi;

/**

 */

public class ResolverAnonymous extends ResourceResolverSpi {

    private InputStream inStream;

    @Override

    public boolean engineIsThreadSafe() {

        return true;

    }

    /**

     * @param filename

     * @throws FileNotFoundException

     * @throws IOException

     */

    public ResolverAnonymous(String filename) throws FileNotFoundException, IOException {

        inStream = Files.newInputStream(Paths.get(filename));

    }

    /**

     * @param is

     */

    public ResolverAnonymous(InputStream is) {

        inStream = is;

    }

    /** {@inheritDoc} */

    @Override

    public XMLSignatureInput engineResolveURI(ResourceResolverContext context) {

        XMLSignatureInput input = new XMLSignatureInput(inStream);

        input.setSecureValidation(context.secureValidation);

        return input;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public boolean engineCanResolveURI(ResourceResolverContext context) {

        if (context.uriToResolve == null) {

            return true;

        }

        return false;

    }

    /** {@inheritDoc} */

    public String[] engineGetPropertyKeys() {

        return new String[0];

    }

}