/*
* 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.jena.shared.wg;
import java.io.*;
import java.util.zip.*;
/**
*In test cases we cannot open all the input files
* while creating the test suite, but must defer the
* opening until the test is actually run.
*/
class LazyZipEntryInputStream extends LazyInputStream {
private ZipEntry entry;
private ZipFile zip;
/** Creates new LazyZipEntryInputStream */
LazyZipEntryInputStream(ZipFile zip,String name) {
// System.err.println(name);
entry = new ZipEntry(name);
this.zip = zip;
}
@Override
InputStream open() throws IOException {
InputStream rslt = zip.getInputStream(entry);
if ( rslt == null )
throw new IllegalArgumentException(entry.getName()+ " cannot be opened.");
return rslt;
}
}