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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.catalina.startup;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import org.apache.tomcat.util.buf.UriUtil;
import org.apache.tomcat.util.file.ConfigurationSource;
import org.apache.tomcat.util.res.StringManager;
public class CatalinaBaseConfigurationSource implements ConfigurationSource {
protected static final StringManager sm = StringManager.getManager(Constants.Package);
public static final String LEGACY_SERVER_EMBED_XML = "server-embed.xml";
private final String serverXmlPath;
private final File catalinaBaseFile;
private final URI catalinaBaseUri;
public CatalinaBaseConfigurationSource(File catalinaBaseFile, String serverXmlPath) {
this.catalinaBaseFile = catalinaBaseFile;
catalinaBaseUri = catalinaBaseFile.toURI();
this.serverXmlPath = serverXmlPath;
}
@Override
public Resource getServerXml() throws IOException {
IOException ioException = null;
Resource result = null;
try {
if (serverXmlPath == null || serverXmlPath.equals(Catalina.SERVER_XML)) {
result = ConfigurationSource.super.getServerXml();
} else {
result = getResource(serverXmlPath);
}
} catch (IOException ioe) {
ioException = ioe;
}
if (result == null) {
// Compatibility with legacy server-embed.xml location
InputStream stream = getClass().getClassLoader().getResourceAsStream(LEGACY_SERVER_EMBED_XML);
if (stream != null) {
try {
result = new Resource(stream,
getClass().getClassLoader().getResource(LEGACY_SERVER_EMBED_XML).toURI());
} catch (URISyntaxException e) {
stream.close();
}
}
}
if (result == null && ioException != null) {
throw ioException;
} else {
return result;
}
}
@Override
public Resource getResource(String name) throws IOException {
// Originally only File was supported. Class loader and URI were added
// later. However (see bug 65106) treating some URIs as files can cause
// problems. Therefore, if path starts with a valid URI scheme then skip
// straight to processing this as a URI.
if (!UriUtil.isAbsoluteURI(name)) {
File f = new File(name);
if (!f.isAbsolute()) {
f = new File(catalinaBaseFile, name);
}
if (f.isFile()) {
FileInputStream fis = new FileInputStream(f);
return new Resource(fis, f.toURI());
}
// Try classloader
InputStream stream = null;
try {
stream = getClass().getClassLoader().getResourceAsStream(name);
if (stream != null) {
return new Resource(stream, getClass().getClassLoader().getResource(name).toURI());
}
} catch (URISyntaxException e) {
stream.close();
throw new IOException(sm.getString("catalinaConfigurationSource.cannotObtainURL", name), e);
}
}
// Then try URI.
URI uri;
try {
uri = getURIInternal(name);
} catch (IllegalArgumentException e) {
throw new IOException(sm.getString("catalinaConfigurationSource.cannotObtainURL", name));
}
// Obtain the input stream we need
try {
URL url = uri.toURL();
return new Resource(url.openConnection().getInputStream(), uri);
} catch (MalformedURLException e) {
throw new IOException(sm.getString("catalinaConfigurationSource.cannotObtainURL", name), e);
}
}
@Override
public URI getURI(String name) {
// Originally only File was supported. Class loader and URI were added
// later. However (see bug 65106) treating some URIs as files can cause
// problems. Therefore, if path starts with a valid URI scheme then skip
// straight to processing this as a URI.
if (!UriUtil.isAbsoluteURI(name)) {
File f = new File(name);
if (!f.isAbsolute()) {
f = new File(catalinaBaseFile, name);
}
if (f.isFile()) {
return f.toURI();
}
// Try classloader
try {
URL resource = getClass().getClassLoader().getResource(name);
if (resource != null) {
return resource.toURI();
}
} catch (Exception e) {
// Ignore
}
}
return getURIInternal(name);
}
private URI getURIInternal(String name) {
// Then try URI.
// Using resolve() enables the code to handle relative paths that did
// not point to a file
URI uri;
if (catalinaBaseUri != null) {
uri = catalinaBaseUri.resolve(name);
} else {
uri = URI.create(name);
}
return uri;
}
}
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