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/*
* 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.tuscany.sca.node.impl;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionFactory;
/**
* NodeUtil
*
* @version $Rev: $ $Date: $
*/
public class NodeUtil {
private NodeUtil() {
}
static Contribution contribution(ContributionFactory contributionFactory, org.apache.tuscany.sca.node.Contribution c) {
Contribution contribution = contributionFactory.createContribution();
contribution.setURI(c.getURI());
contribution.setLocation(c.getLocation());
contribution.setUnresolved(true);
return contribution;
}
/**
* Open a URL connection without cache
* @param url
* @return
* @throws IOException
*/
static InputStream openStream(URL url) throws IOException {
InputStream is = null;
URLConnection connection = url.openConnection();
connection.setUseCaches(false);
is = connection.getInputStream();
return is;
}
/**
* Escape the space in URL string
* @param uri
* @return
*/
static URI createURI(String uri) {
if (uri == null) {
return null;
}
if (uri.indexOf('%') != -1) {
// Avoid double-escaping
return URI.create(uri);
}
int index = uri.indexOf(':');
String scheme = null;
String ssp = uri;
if (index != -1) {
scheme = uri.substring(0, index);
ssp = uri.substring(index + 1);
}
try {
return new URI(scheme, ssp, null);
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
}
}
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