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/**
* SCA4J
* Copyright (c) 2009 - 2099 Service Symphony Ltd
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
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* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* Unless required by applicable law or agreed to in writing, software distributed
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
*
* Original Codehaus Header
*
* Copyright (c) 2007 - 2008 fabric3 project contributors
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
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* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* 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.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
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*
* Copyright (c) 2005 - 2006 The Apache Software Foundation
*
* Apache Tuscany is an effort undergoing incubation at The Apache Software
* Foundation (ASF), sponsored by the Apache Web Services PMC. Incubation is
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*
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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,
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* KIND, either express or implied. See the License for the
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package org.sca4j.binding.ftp.introspection;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.oasisopen.sca.annotation.Reference;
import org.sca4j.binding.ftp.scdl.FtpBindingDefinition;
import org.sca4j.binding.ftp.scdl.TransferMode;
import org.sca4j.introspection.IntrospectionContext;
import org.sca4j.introspection.xml.InvalidValue;
import org.sca4j.introspection.xml.LoaderHelper;
import org.sca4j.introspection.xml.LoaderUtil;
import org.sca4j.introspection.xml.MissingAttribute;
import org.sca4j.introspection.xml.TypeLoader;
import org.sca4j.introspection.xml.UnrecognizedAttribute;
/**
* @version $Revision$ $Date$
*/
public class FtpBindingLoader implements TypeLoader {
private final LoaderHelper loaderHelper;
/**
* Constructor.
*
* @param loaderHelper the policy helper
*/
public FtpBindingLoader(@Reference LoaderHelper loaderHelper) {
this.loaderHelper = loaderHelper;
}
public FtpBindingDefinition load(XMLStreamReader reader, IntrospectionContext introspectionContext) throws XMLStreamException {
validateAttributes(reader, introspectionContext);
FtpBindingDefinition bindingDefinition = null;
String uriString = null;
try {
bindingDefinition = createBindingDefinition(reader, introspectionContext);
} catch (URISyntaxException ex) {
InvalidValue failure = new InvalidValue("Invalid FTP URI configured in the binding. ", uriString, reader);
introspectionContext.addError(failure);
} catch (UnsupportedEncodingException e) {
InvalidValue failure = new InvalidValue("The Uri configured in the binding has an invalid encoding. ",uriString + "\n" + e, reader);
introspectionContext.addError(failure);
}
LoaderUtil.skipToEndElement(reader);
return bindingDefinition;
}
/* Creates a binding definition from the binding configuration */
private FtpBindingDefinition createBindingDefinition(XMLStreamReader reader,
IntrospectionContext introspectionContext) throws UnsupportedEncodingException, URISyntaxException {
FtpBindingDefinition bindingDefinition;
URI endpointUri = getEndpointUri(reader, introspectionContext);
TransferMode transferMode = getTransferMode(reader);
String tmpFileSuffix = reader.getAttributeValue(null, "tmpFileSuffix");
bindingDefinition = new FtpBindingDefinition(endpointUri, transferMode, loaderHelper.loadKey(reader));
if(tmpFileSuffix != null) {
bindingDefinition.setTmpFileSuffix(tmpFileSuffix);
}
loaderHelper.loadPolicySetsAndIntents(bindingDefinition, reader, introspectionContext);
return bindingDefinition;
}
/* Returns back the transfer mode configured in the binding */
private TransferMode getTransferMode(XMLStreamReader reader) {
String transferMode = reader.getAttributeValue(null, "mode");
return transferMode != null ? TransferMode.valueOf(transferMode) : TransferMode.PASSIVE;
}
/* Returns back a URI based on the uri attribute configured in the binding */
private URI getEndpointUri(XMLStreamReader reader, IntrospectionContext introspectionContext) throws UnsupportedEncodingException, URISyntaxException {
String uriString;
uriString = reader.getAttributeValue(null, "uri");
if (uriString == null) {
MissingAttribute failure = new MissingAttribute("A binding URI must be specified ","uri", reader);
introspectionContext.addError(failure);
return null;
}
if (!uriString.startsWith("ftp://") && !uriString.startsWith("FTP://")) {
uriString = "ftp://" + uriString;
}
// encode the URI since there may be expressions (e.g. "${..}") contained in it
return new URI(URLEncoder.encode(uriString, "UTF-8"));
}
private void validateAttributes(XMLStreamReader reader, IntrospectionContext context) {
for (int i = 0; i < reader.getAttributeCount(); i++) {
String name = reader.getAttributeLocalName(i);
if (!"uri".equals(name) && !"requires".equals(name) && !"policySets".equals(name) && !"mode".equals(name) &&
!"tmpFileSuffix".equals(name)) {
context.addError(new UnrecognizedAttribute(name, reader));
}
}
}
}
