diff options
Diffstat (limited to 'sca-cpp/tags/cpp-sca-20060405/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/ComponentTypeFileHandler.java')
| -rw-r--r-- | sca-cpp/tags/cpp-sca-20060405/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/ComponentTypeFileHandler.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-sca-20060405/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/ComponentTypeFileHandler.java b/sca-cpp/tags/cpp-sca-20060405/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/ComponentTypeFileHandler.java new file mode 100644 index 0000000000..0ee9b97138 --- /dev/null +++ b/sca-cpp/tags/cpp-sca-20060405/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/ComponentTypeFileHandler.java @@ -0,0 +1,124 @@ +/* + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.tuscany.sca.cpp.tools.services; + +import java.io.File; + +import org.apache.tuscany.sca.cpp.tools.common.FileActor; +import org.apache.tuscany.sca.cpp.tools.common.Utils; + +/** + * The purpose of this class is to specialise the map of XML element handlers + * for a XXX.componentType file that is used by the XMLFileActor + */ +public class ComponentTypeFileHandler extends XMLFileActor { + + static { + // We set up a map for each element type we wish to handle + // this alows the XML handling code to be generic and type free + // while the handlers don't have to do mcuh XML handling. + + GenericDomNodeHandler gdnh = new GenericDomNodeHandler(); + handlers.put("componentType", gdnh); + handlers.put("interface.cpp", gdnh); + + ServiceDomNodeHandler sdnh = new ServiceDomNodeHandler(); + handlers.put("service", sdnh); + + ReferenceDomNodeHandler rdnh = new ReferenceDomNodeHandler(); + handlers.put("reference", rdnh); + } + + /** + * This method just exists to add the default starting depth of 1 to the + * underlying actOnFile interface + * + * @param componentTypeXML + * @param target + * @throws Exception + */ + public void handleComponentTypeFile(File componentTypeXML, File target) + throws Exception { + // We have already set up the XML element handlers. + actOnFile(componentTypeXML, target, 1); + // We need do no more, the service and reference handlers + // ServiceDomNodeHandler and ReferenceDomNodeHandler + // will take appropriate action. + } + + /** + * This method is the main FileActor method + * + * @see FileActor#actOnFile(File, File, int) Here we create an initial DOM + * and kick off the processing (using the handler map that has been set + * up by the concrete subclass). + * + * @param moduleXML + * the sca.module or fragment file + * @param target + * the target directory + * @param depth + * not uesed here but in the + * @see FileActor#actOnFile(File, File, int) interface to allow for + * recursive diving into a directory structure. + */ + public void actOnFile(File fileXML, File target, int depth) + throws Exception { + + if (null == fileXML || null == target) { + return; + } + + parameters.put("componentTypeFile", fileXML); + + Utils.postEvent(Utils.DEPLOYMENT_ARTEFACT_ENCOUNTERED, fileXML.getAbsolutePath()); + Utils.postEvent(Utils.EVENT_TYPE_FILE_PARSED, "Scagen processing SCA componentType file " + fileXML.getAbsolutePath()); + + super.actOnFile(fileXML, target, depth); + + } + + /** + * @return an error message - usually over-ridden. + */ + protected String getContextMessage() { + + String module = ((File) parameters.get("moduleOrFragmentFile")).getPath(); + if (null == module) { + module = "unknown"; + } + + String component = (String) parameters.get("/module/component/@name"); + if (null == component) { + component = (String) parameters + .get("/moduleFragment/component/@name"); + } + if (null == component) { + module = "unknown"; + } + + String msg = "when processing module " + module; + + msg = msg + + "\nin this module file, the component \"" + + component + + "\" has an implementation.cpp element with a header attribute \nwhere the C++ header can be found but it has no matching .componentType file present in\nthe same directory as the header."; + + return msg; + } + +}
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