/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.ws;
import java.io.StringReader;
import java.io.StringWriter;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.util.Arrays;
import java.util.List;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.Dispatch;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.handler.MessageContext;
import org.teiid.core.types.XMLType;
import org.teiid.language.Argument;
import org.teiid.language.Call;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.DataNotAvailableException;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.ProcedureExecution;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.WSConnection;
import org.teiid.translator.WSConnection.Util;
import org.teiid.translator.ws.WSExecutionFactory.Binding;
/**
* A soap call executor - handles all styles doc/literal, rpc/encoded etc.
*/
public class WSProcedureExecution implements ProcedureExecution {
RuntimeMetadata metadata;
ExecutionContext context;
private Call procedure;
private Source returnValue;
private WSConnection conn;
private WSExecutionFactory executionFactory;
/**
* @param env
*/
public WSProcedureExecution(Call procedure, RuntimeMetadata metadata, ExecutionContext context, WSExecutionFactory executionFactory, WSConnection conn) {
this.metadata = metadata;
this.context = context;
this.procedure = procedure;
this.conn = conn;
this.executionFactory = executionFactory;
}
public void execute() throws TranslatorException {
List<Argument> arguments = this.procedure.getArguments();
String style = (String)arguments.get(0).getArgumentValue().getValue();
String action = (String)arguments.get(1).getArgumentValue().getValue();
XMLType docObject = (XMLType)arguments.get(2).getArgumentValue().getValue();
StreamSource source = null;
try {
source = convertToSource(docObject);
String endpoint = (String)arguments.get(3).getArgumentValue().getValue();
if (style == null) {
style = executionFactory.getDefaultBinding().getBindingId();
} else {
try {
Binding type = Binding.valueOf(style.toUpperCase());
style = type.getBindingId();
} catch (IllegalArgumentException e) {
throw new TranslatorException(WSExecutionFactory.UTIL.getString("invalid_invocation", Arrays.toString(Binding.values()))); //$NON-NLS-1$
}
}
Dispatch<StreamSource> dispatch = conn.createDispatch(style, endpoint, StreamSource.class, executionFactory.getDefaultServiceMode());
if (Binding.HTTP.getBindingId().equals(style)) {
if (action == null) {
action = "POST"; //$NON-NLS-1$
}
dispatch.getRequestContext().put(MessageContext.HTTP_REQUEST_METHOD, action);
if (source != null && !"POST".equalsIgnoreCase(action)) { //$NON-NLS-1$
if (this.executionFactory.getXMLParamName() == null) {
throw new WebServiceException(WSExecutionFactory.UTIL.getString("http_usage_error")); //$NON-NLS-1$
}
try {
Transformer t = TransformerFactory.newInstance().newTransformer();
StringWriter writer = new StringWriter();
//TODO: prevent this from being too large
t.transform(source, new StreamResult(writer));
String param = Util.httpURLEncode(this.executionFactory.getXMLParamName())+"="+Util.httpURLEncode(writer.toString()); //$NON-NLS-1$
endpoint = WSConnection.Util.appendQueryString(endpoint, param);
} catch (TransformerException e) {
throw new WebServiceException(e);
}
}
} else {
if (action != null) {
dispatch.getRequestContext().put(Dispatch.SOAPACTION_USE_PROPERTY, Boolean.TRUE);
dispatch.getRequestContext().put(Dispatch.SOAPACTION_URI_PROPERTY, action);
}
}
if (source == null) {
// JBoss Native DispatchImpl throws exception when the source is null
source = new StreamSource(new StringReader("<none/>")); //$NON-NLS-1$
}
this.returnValue = dispatch.invoke(source);
} catch (SQLException e) {
throw new TranslatorException(e);
} catch (WebServiceException e) {
throw new TranslatorException(e);
} finally {
Util.closeSource(source);
}
}
private StreamSource convertToSource(SQLXML xml) throws SQLException {
if (xml == null) {
return null;
}
return xml.getSource(StreamSource.class);
}
@Override
public List<?> next() throws TranslatorException, DataNotAvailableException {
return null;
}
@Override
public List<?> getOutputParameterValues() throws TranslatorException {
return Arrays.asList(returnValue);
}
public void close() {
}
public void cancel() throws TranslatorException {
// no-op
}
}