Package org.apache.yoko.tools.processors.idl

Source Code of org.apache.yoko.tools.processors.idl.IDLToWSDLProcessor

/**
* 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.yoko.tools.processors.idl;

import java.io.FileInputStream;
import java.io.InputStream;
import java.io.Writer;
import java.util.StringTokenizer;

import javax.wsdl.Binding;
import javax.wsdl.Definition;
import javax.wsdl.Port;
import javax.wsdl.Service;
import javax.xml.namespace.QName;

import antlr.collections.AST;

import org.apache.cxf.tools.common.Processor;
import org.apache.cxf.tools.common.ToolConstants;
import org.apache.cxf.tools.common.ToolContext;
import org.apache.cxf.tools.common.ToolException;
import org.apache.cxf.tools.util.FileWriterUtil;

import org.apache.schemas.yoko.bindings.corba.AddressType;
import org.apache.yoko.tools.common.ProcessorEnvironment;
import org.apache.yoko.tools.common.ToolCorbaConstants;
import org.apache.yoko.wsdl.CorbaConstants;

public class IDLToWSDLProcessor implements Processor {

    protected ToolContext toolContext;
    private String idl;
    private ProcessorEnvironment env;
    private Writer outputWriter;
   
    public void process() throws ToolException {
        idl = getBaseFilename(env.get(ToolCorbaConstants.CFG_IDLFILE).toString());
        try {
            parseIDL();
        } catch (Exception e) {
            throw new ToolException(e);
        }
    }


    public void setEnvironment(ToolContext toolCtx) {
        toolContext = toolCtx;
    }

    public void setOutputWriter(Writer writer) {
        outputWriter = writer;
    }

    public void parseIDL() throws Exception {
        InputStream stream = new FileInputStream(env.get(ToolCorbaConstants.CFG_IDLFILE).toString());
        IDLParser parser = new IDLParser(new IDLLexer(stream));
        parser.specification();
        AST idlTree = parser.getAST();

        System.out.println(idlTree.toStringTree());
       
        Object obj = env.get(ToolConstants.CFG_OUTPUTDIR);
        String outputDir = ".";
        if (obj != null) {
            outputDir = obj.toString();
        }

        String tns = (String) env.get(ToolCorbaConstants.CFG_TNS);
        if (tns == null) {
            tns = CorbaConstants.WSDL_NS_URI + idl;
        }

        try {
            WSDLASTVisitor visitor = new WSDLASTVisitor(tns);
            visitor.visit(idlTree);
            if (outputWriter == null) {
                FileWriterUtil fw = new FileWriterUtil(outputDir);
                outputWriter = fw.getWriter("", idl + ".wsdl");
            }
            Definition def = visitor.getDefinition();
            Binding[] bindings = visitor.getCorbaBindings();
            generateCORBAService(def, bindings);
            visitor.writeDefinition(outputWriter);
        } catch (Exception ex) {
            throw new ToolException(ex.getMessage(), ex);
        }
    }

    public void setEnvironment(ProcessorEnvironment penv) {
        env = penv;
    }

    public ProcessorEnvironment getEnvironment() {
        return env;
    }

    public String getBaseFilename(String ifile) {
        String fileName = ifile;
        StringTokenizer token = new StringTokenizer(ifile, "\\/");

        while (token.hasMoreTokens()) {
            fileName = token.nextToken();
        }
        if (fileName.endsWith(".idl")) {
            fileName = new String(fileName.substring(0, fileName.length() - 4));
        }
        return fileName;
    }

    public void generateCORBAService(Definition def, Binding[] bindings) throws Exception {
        for (int i = 0; i < bindings.length; i++) {
            String portTypeName = bindings[i].getPortType().getQName().getLocalPart();
            QName serviceName = new QName(def.getTargetNamespace(),
                                          portTypeName + "CORBAService");
            Service service = def.createService();
            service.setQName(serviceName);
            Port port = def.createPort();
            port.setName(portTypeName + "CORBAPort");
            AddressType address =
                (AddressType) def.getExtensionRegistry().createExtension(Port.class,
                                                                         CorbaConstants.NE_CORBA_ADDRESS);
            String addr = (String) env.get(ToolCorbaConstants.CFG_ADDRESS);
            if (addr == null) {
                addr = "IOR:";
            }
            address.setLocation(addr);
            port.addExtensibilityElement(address);
            service.addPort(port);
            port.setBinding(bindings[i]);
            def.addService(service);
        }
    }
   
}
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