Package org.apache.cxf.tools.misc.processor

Source Code of org.apache.cxf.tools.misc.processor.WSDLToSoapProcessor

/**
* 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.cxf.tools.misc.processor;

import java.io.IOException;
import java.io.Writer;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import javax.wsdl.Binding;
import javax.wsdl.BindingFault;
import javax.wsdl.BindingInput;
import javax.wsdl.BindingOperation;
import javax.wsdl.BindingOutput;
import javax.wsdl.Fault;
import javax.wsdl.Input;
import javax.wsdl.Operation;
import javax.wsdl.Output;
import javax.wsdl.Part;
import javax.wsdl.PortType;
import javax.wsdl.WSDLException;
import javax.wsdl.xml.WSDLWriter;
import javax.xml.namespace.QName;

import org.apache.cxf.common.WSDLConstants;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.tools.common.ToolConstants;
import org.apache.cxf.tools.common.ToolException;
import org.apache.cxf.tools.common.extensions.soap.SoapBinding;
import org.apache.cxf.tools.common.extensions.soap.SoapBody;
import org.apache.cxf.tools.common.extensions.soap.SoapFault;
import org.apache.cxf.tools.common.extensions.soap.SoapOperation;
import org.apache.cxf.tools.util.SOAPBindingUtil;


public class WSDLToSoapProcessor extends AbstractWSDLToProcessor {

    private static final String NEW_FILE_NAME_MODIFIER = "-soapbinding";

    private Map<QName, PortType> portTypes;
    private PortType portType;
    private Binding binding;

    public void process() throws ToolException {
        init();
        validate();
        doAppendBinding();
    }

    private boolean isSOAP12() {
        return env.optionSet(ToolConstants.CFG_SOAP12);
    }

    private void validate() throws ToolException {
        if (isBindingExisted()) {
            Message msg = new Message("BINDING_ALREADY_EXIST", LOG);
            throw new ToolException(msg);
        }
        if (!isPortTypeExisted()) {
            Message msg = new Message("PORTTYPE_NOT_EXIST", LOG);
            throw new ToolException(msg);
        }
        if (!nameSpaceCheck()) {
            Message msg = new Message("SOAPBINDING_STYLE_NOT_PROVIDED", LOG);
            throw new ToolException(msg);
        }
        if (WSDLConstants.RPC.equalsIgnoreCase((String)env.get(ToolConstants.CFG_STYLE))) {
            Collection<Operation> ops = CastUtils.cast(portType.getOperations());
               
            for (Operation op : ops) {
                Input input = op.getInput();
                if (input != null && input.getMessage() != null) {
                    Collection<Part> parts = CastUtils.cast(input.getMessage().getParts().values());
                    for (Part part : parts) {
                        if (part.getTypeName() == null || "".equals(part.getTypeName().toString())) {
                            Message msg = new Message("RPC_PART_ILLEGAL", LOG, new Object[] {part.getName()});
                            throw new ToolException(msg);
                        }
                    }
                }
                Output output = op.getOutput();
                if (output != null && output.getMessage() != null) {
                    Collection<Part> parts = CastUtils.cast(output.getMessage().getParts().values());
                    for (Part part : parts) {
                        if (part.getTypeName() == null || "".equals(part.getTypeName().toString())) {
                            Message msg = new Message("RPC_PART_ILLEGAL", LOG, new Object[] {part.getName()});
                            throw new ToolException(msg);
                        }
                    }
                }
            }
        }
    }

    private boolean isPortTypeExisted() {
        portTypes = CastUtils.cast(wsdlDefinition.getPortTypes());
        if (portTypes == null) {
            return false;
        }
        for (QName existPortQName : portTypes.keySet()) {
            String existPortName = existPortQName.getLocalPart();
            if (existPortName.equals(env.get(ToolConstants.CFG_PORTTYPE))) {
                portType = portTypes.get(existPortQName);
                break;
            }
        }
        return (portType == null) ? false : true;
    }

    private boolean isBindingExisted() {
        Map<QName, Binding> bindings = CastUtils.cast(wsdlDefinition.getBindings());
        if (bindings == null) {
            return false;
        }
        for (QName existBindingQName : bindings.keySet()) {
            String existBindingName = existBindingQName.getLocalPart();
            String bindingName = (String)env.get(ToolConstants.CFG_BINDING);
            if (bindingName.equals(existBindingName)) {
                binding = bindings.get(existBindingQName);
            }
        }
        return (binding == null) ? false : true;
    }

    private boolean nameSpaceCheck() {
        if (WSDLConstants.RPC.equalsIgnoreCase((String)env.get(ToolConstants.CFG_STYLE))
            && !env.optionSet(ToolConstants.CFG_NAMESPACE)) {
            return false;
        }
        return true;
    }

    protected void init() throws ToolException {
        parseWSDL((String)env.get(ToolConstants.CFG_WSDLURL));
    }

    private void doAppendBinding() throws ToolException {
        if (binding == null) {
            binding = wsdlDefinition.createBinding();
            binding.setQName(new QName(wsdlDefinition.getTargetNamespace(),
                                       (String)env.get(ToolConstants.CFG_BINDING)));
            binding.setUndefined(false);
            binding.setPortType(portType);
        }
        setSoapBindingExtElement();
        addBindingOperation();
        wsdlDefinition.addBinding(binding);

        WSDLWriter wsdlWriter = wsdlFactory.newWSDLWriter();
        Writer outputWriter = getOutputWriter(NEW_FILE_NAME_MODIFIER);
        try {
            wsdlWriter.writeWSDL(wsdlDefinition, outputWriter);
        } catch (WSDLException wse) {
            Message msg = new Message("FAIL_TO_WRITE_WSDL", LOG, wse.getMessage());
            throw new ToolException(msg);
        }
        try {
            outputWriter.close();
        } catch (IOException ioe) {
            Message msg = new Message("PORTTYPE_NOT_EXIST", LOG);
            throw new ToolException(msg);
        }
    }

    private void setSoapBindingExtElement() throws ToolException {
        if (extReg == null) {
            extReg = wsdlFactory.newPopulatedExtensionRegistry();
        }

        SOAPBindingUtil.addSOAPNamespace(wsdlDefinition, isSOAP12());

        SoapBinding soapBinding = null;
        try {
            soapBinding = SOAPBindingUtil.createSoapBinding(extReg, isSOAP12());
        } catch (WSDLException wse) {
            Message msg = new Message("FAIL_TO_CREATE_SOAPBINDING", LOG);
            throw new ToolException(msg, wse);
        }
        soapBinding.setStyle((String)env.get(ToolConstants.CFG_STYLE));
        binding.addExtensibilityElement(soapBinding);
    }

    @SuppressWarnings("unchecked")
    private void addBindingOperation() throws ToolException {
        /**
         * This method won't do unique operation name checking on portType The
         * WS-I Basic Profile[17] R2304 requires that operations within a
         * wsdl:portType have unique values for their name attribute so mapping
         * of WS-I compliant WSDLdescriptions will not generate Java interfaces
         * with overloaded methods. However, for backwards compatibility, JAX-WS
         * supports operation name overloading provided the overloading does not
         * cause conflicts (as specified in the Java Language Specification[25])
         * in the mapped Java service endpoint interface declaration.
         */
        List<Operation> ops = portType.getOperations();
        for (Operation op : ops) {
            BindingOperation bindingOperation = wsdlDefinition.createBindingOperation();
            setSoapOperationExtElement(bindingOperation);
            bindingOperation.setName(op.getName());
            if (op.getInput() != null) {
                bindingOperation.setBindingInput(getBindingInput(op.getInput()));
            }
            if (op.getOutput() != null) {
                bindingOperation.setBindingOutput(getBindingOutput(op.getOutput()));
            }
            if (op.getFaults() != null && op.getFaults().size() > 0) {
                addSoapFaults(op, bindingOperation);
            }
            bindingOperation.setOperation(op);
            binding.addBindingOperation(bindingOperation);
        }
    }

    private void setSoapOperationExtElement(BindingOperation bo) throws ToolException {
        if (extReg == null) {
            extReg = wsdlFactory.newPopulatedExtensionRegistry();
        }
        SoapOperation soapOperation = null;

        try {
            soapOperation = SOAPBindingUtil.createSoapOperation(extReg, isSOAP12());
        } catch (WSDLException wse) {
            Message msg = new Message("FAIL_TO_CREATE_SOAPBINDING", LOG);
            throw new ToolException(msg, wse);
        }
        soapOperation.setStyle((String)env.get(ToolConstants.CFG_STYLE));
        soapOperation.setSoapActionURI("");
        bo.addExtensibilityElement(soapOperation);
    }

    private BindingInput getBindingInput(Input input) throws ToolException {
        BindingInput bi = wsdlDefinition.createBindingInput();
        bi.setName(input.getName());
        // As command line won't specify the details of body/header for message
        // parts
        // All input message's parts will be added into one soap body element
        bi.addExtensibilityElement(getSoapBody(BindingInput.class));
        return bi;
    }

    private BindingOutput getBindingOutput(Output output) throws ToolException {
        BindingOutput bo = wsdlDefinition.createBindingOutput();
        bo.setName(output.getName());
        // As command line won't specify the details of body/header for message
        // parts
        // All output message's parts will be added into one soap body element
        bo.addExtensibilityElement(getSoapBody(BindingOutput.class));
        return bo;
    }

    private SoapBody getSoapBody(Class<?> parent) throws ToolException {
        if (extReg == null) {
            extReg = wsdlFactory.newPopulatedExtensionRegistry();
        }
        SoapBody soapBody = null;
        try {
            soapBody = SOAPBindingUtil.createSoapBody(extReg, parent, isSOAP12());
        } catch (WSDLException wse) {
            Message msg = new Message("FAIL_TO_CREATE_SOAPBINDING", LOG);
            throw new ToolException(msg, wse);
        }
        soapBody.setUse((String)env.get(ToolConstants.CFG_USE));
        if (WSDLConstants.RPC.equalsIgnoreCase((String)env.get(ToolConstants.CFG_STYLE))
            && env.optionSet(ToolConstants.CFG_NAMESPACE)) {
            soapBody.setNamespaceURI((String)env.get(ToolConstants.CFG_NAMESPACE));
        }
        return soapBody;
    }

    private void addSoapFaults(Operation op, BindingOperation bindingOperation) throws ToolException {
        Map<String, Fault> faults = CastUtils.cast(op.getFaults());
        for (Fault fault : faults.values()) {
            BindingFault bf = wsdlDefinition.createBindingFault();
            bf.setName(fault.getName());
            setSoapFaultExtElement(bf);
            bindingOperation.addBindingFault(bf);
        }
    }

    private void setSoapFaultExtElement(BindingFault bf) throws ToolException {
        if (extReg == null) {
            extReg = wsdlFactory.newPopulatedExtensionRegistry();
        }
        SoapFault  soapFault = null;
        try {
            soapFault = SOAPBindingUtil.createSoapFault(extReg, isSOAP12());
        } catch (WSDLException wse) {
            Message msg = new Message("FAIL_TO_CREATE_SOAPBINDING", LOG);
            throw new ToolException(msg, wse);
        }
        soapFault.setName(bf.getName());
        soapFault.setUse((String)env.get(ToolConstants.CFG_USE));
        if (WSDLConstants.RPC.equalsIgnoreCase((String)env.get(ToolConstants.CFG_STYLE))
            && env.optionSet(ToolConstants.CFG_NAMESPACE)) {
            soapFault.setNamespaceURI((String)env.get(ToolConstants.CFG_NAMESPACE));
        }
        bf.addExtensibilityElement(soapFault);
    }

}
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