vxquery-core/src/main/java/org/apache/vxquery/context/DefaultDocumentURIResolverImpl.java

/*
* 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.vxquery.context;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class DefaultDocumentURIResolverImpl implements DocumentURIResolver {
    public static final DocumentURIResolver INSTANCE = new DefaultDocumentURIResolverImpl();

    private DefaultDocumentURIResolverImpl() {
    }

    @Override
    public InputStream resolveDocumentURI(String href, String base) throws IOException {
        File file = new File(href);
        if (! file.isAbsolute()) file = new File(base + "/" + href);
        return new FileInputStream(file);
    }
}