/*
* 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.karaf.features.internal.service;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InterruptedIOException;
import java.net.URI;
import org.apache.karaf.features.Repository;
import org.apache.karaf.features.internal.model.Features;
import org.apache.karaf.features.internal.model.JaxbUtil;
/**
* The repository implementation.
*/
public class RepositoryImpl implements Repository {
private final URI uri;
private final String blacklisted;
private Features features;
public RepositoryImpl(URI uri) {
this(uri, null);
}
public RepositoryImpl(URI uri, String blacklisted) {
this.uri = uri;
this.blacklisted = blacklisted;
}
public URI getURI() {
return uri;
}
public String getName() throws IOException {
load();
return features.getName();
}
public URI[] getRepositories() throws IOException {
load();
return features.getRepository().stream()
.map(String::trim)
.map(URI::create)
.toArray(URI[]::new);
}
public URI[] getResourceRepositories() throws IOException {
load();
return features.getResourceRepository().stream()
.map(String::trim)
.map(URI::create)
.toArray(URI[]::new);
}
public org.apache.karaf.features.Feature[] getFeatures() throws IOException {
load();
return features.getFeature()
.toArray(new org.apache.karaf.features.Feature[features.getFeature().size()]);
}
public void load() throws IOException {
load(false);
}
public void load(boolean validate) throws IOException {
if (features == null) {
try (
InputStream inputStream = new InterruptibleInputStream(uri.toURL().openStream())
) {
features = JaxbUtil.unmarshal(uri.toASCIIString(), inputStream, validate);
Blacklist.blacklist(features, blacklisted);
} catch (Exception e) {
throw new IOException(e.getMessage() + " : " + uri, e);
}
}
}
static class InterruptibleInputStream extends FilterInputStream {
InterruptibleInputStream(InputStream in) {
super(in);
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
if (Thread.currentThread().isInterrupted()) {
throw new InterruptedIOException();
}
return super.read(b, off, len);
}
}
}