| /** |
| * <copyright> |
| * |
| * Copyright (c) 2009-2010 Thales Corporate Services S.A.S. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Thales Corporate Services S.A.S - initial API and implementation |
| * |
| * </copyright> |
| */ |
| |
| package org.eclipse.egf.pattern.jet.engine; |
| |
| import org.eclipse.egf.common.constant.EGFCommonConstants; |
| import org.eclipse.egf.model.pattern.Pattern; |
| import org.eclipse.egf.model.pattern.PatternException; |
| import org.eclipse.egf.model.pattern.PatternParameter; |
| import org.eclipse.egf.model.pattern.Query; |
| import org.eclipse.egf.pattern.common.java.BaseJavaAssemblyHelper; |
| import org.eclipse.egf.pattern.engine.PatternHelper; |
| import org.eclipse.egf.pattern.l10n.EGFPatternMessages; |
| import org.eclipse.egf.pattern.utils.ParameterTypeHelper; |
| |
| /** |
| * @author Thomas Guiu |
| * |
| */ |
| public class JetAssemblyHelper extends BaseJavaAssemblyHelper { |
| |
| public JetAssemblyHelper(Pattern pattern, JetAssemblyContentProvider contentProvider) { |
| super(pattern, contentProvider); |
| } |
| |
| @Override |
| protected void beginOrchestration() throws PatternException { |
| content.append("<%"); //$NON-NLS-1$ |
| content.append("InternalPatternContext ctx = (InternalPatternContext)argument;").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append("Map<String, String> queryCtx = null;").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append("IQuery.ParameterDescription paramDesc = null;").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append("%>"); //$NON-NLS-1$ |
| super.beginOrchestration(); |
| content.append("<%").append(START_LOOP_MARKER).append("%>"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| @Override |
| protected void endOrchestration() throws PatternException { |
| content.append("<%").append(END_LOOP_MARKER).append("%>"); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| if (pattern.getAllParameters().isEmpty()) { |
| content.append("<%if (ctx.useReporter()){").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append(" ctx.getReporter().executionFinished(ctx.getExecutionBuffer().toString(), ctx);").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append(" ctx.clearBuffer();}%>").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| return; |
| } |
| // 1 - Add pre block at insertionIndex |
| StringBuilder localContent = new StringBuilder(300); |
| localContent.append("<%").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| |
| for (PatternParameter parameter : pattern.getAllParameters()) { |
| appendQueryCode(localContent, parameter); |
| } |
| |
| localContent.append(EGFCommonConstants.LINE_SEPARATOR).append(EGFCommonConstants.LINE_SEPARATOR); |
| |
| // create a loop per parameter |
| for (PatternParameter parameter : pattern.getAllParameters()) { |
| String local = PatternHelper.localizeName(parameter); |
| localContent.append("for (Object ").append(local).append(" : ").append(getParameterListName(parameter)).append(" ) {").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| localContent.append(EGFCommonConstants.LINE_SEPARATOR); |
| for (org.eclipse.egf.model.pattern.PatternParameter parameter : pattern.getAllParameters()) { |
| String local = PatternHelper.localizeName(parameter); |
| String type = ParameterTypeHelper.INSTANCE.getSourceTypeLiteral(parameter.getType()); |
| localContent.append("this.").append(parameter.getName()).append(" = (").append(type).append(")").append(local).append(";").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ |
| } |
| |
| localContent.append(EGFCommonConstants.LINE_SEPARATOR).append("%>"); //$NON-NLS-1$ |
| |
| content.insert(orchestrationIndex, localContent); |
| |
| // 2 - Add post block at current index |
| content.append("<%").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| |
| for (int i = 0; i < pattern.getAllParameters().size(); i++) |
| content.append("}").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append("if (ctx.useReporter()){").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append(" ctx.getReporter().executionFinished(ctx.getExecutionBuffer().toString(), ctx);").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append(" ctx.clearBuffer();").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| content.append("}%>"); //$NON-NLS-1$ |
| |
| // 3- Add additional code for parameter names handling |
| int startIndex = content.indexOf(START_LOOP_MARKER); |
| if (startIndex == -1) |
| throw new PatternException(EGFPatternMessages.assembly_error2); |
| |
| // localContent.setLength(0); |
| // localContent.append(EGFCommonConstants.LINE_SEPARATOR); |
| // localContent.append("Map<String, Object> parameterValues = new HashMap<String, Object>();").append(EGFCommonConstants.LINE_SEPARATOR); |
| // for (org.eclipse.egf.model.pattern.PatternParameter parameter : |
| // pattern.getAllParameters()) { |
| // String local = PatternHelper.localizeName(parameter); |
| // String type = |
| // ParameterTypeHelper.INSTANCE.getTypeLiteral(parameter.getType()); |
| // localContent.append(type).append(" ").append(parameter.getName()).append(" = (").append(type).append(")").append(local).append(";").append(EGFCommonConstants.LINE_SEPARATOR); |
| // localContent.append("parameterValues.put(\"").append(parameter.getName()).append("\", ").append(local).append(");").append(EGFCommonConstants.LINE_SEPARATOR); |
| // } |
| // content.insert(startIndex + START_LOOP_MARKER.length(), |
| // localContent); |
| } |
| |
| private String getParameterListName(PatternParameter parameter) { |
| return parameter.getName() + "List"; //$NON-NLS-1$ |
| } |
| |
| @SuppressWarnings("unused") |
| private void appendQueryCode(StringBuilder localContent, PatternParameter parameter) throws PatternException { |
| Query query = parameter.getQuery(); |
| if (query == null) { |
| // there is no query, so this pattern can only be called by another |
| // (i.e. it's an entry point in execution) |
| localContent.append("List<Object> ").append(getParameterListName(parameter)).append(" = null;").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ |
| localContent.append("//this pattern can only be called by another (i.e. it's not an entry point in execution)").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| return; |
| } |
| localContent.append("paramDesc = new IQuery.ParameterDescription(\"").append(parameter.getName()).append("\", \"").append(parameter.getType()).append("\");").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| localContent.append("queryCtx = new HashMap<String, String>();").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ |
| if (query.getQueryContext() != null) { |
| for (String key : query.getQueryContext().keySet()) { |
| localContent.append("queryCtx.put(\"").append(key).append("\", \"").append(query.getQueryContext().get(key)).append("\");").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| } |
| localContent.append("List<Object> ").append(getParameterListName(parameter)).append(" = "); //$NON-NLS-1$ //$NON-NLS-2$ |
| localContent.append("QueryHelper.load(ctx, \"").append(query.getExtensionId()).append("\").execute(paramDesc, queryCtx, ctx);").append(EGFCommonConstants.LINE_SEPARATOR); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| @Override |
| protected void addVariableInitialization() throws PatternException { |
| content.append("<%").append(START_INIT_VARIABLE_MARKER).append("%>"); //$NON-NLS-1$ //$NON-NLS-2$ |
| content.append(contentHelper.getMethodContent(pattern.getInitMethod())); |
| content.append("<%").append(END_INIT_VARIABLE_MARKER).append("%>"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public static final String START_METHOD_DECLARATION_MARKER = "//Start of methods"; //$NON-NLS-1$ |
| |
| public static final String END_METHOD_DECLARATION_MARKER = "//End of methods"; //$NON-NLS-1$ |
| |
| public static final String START_LOOP_MARKER = "//Start of work"; //$NON-NLS-1$ |
| |
| public static final String END_LOOP_MARKER = "//End of work"; //$NON-NLS-1$ |
| |
| public static final String START_INIT_VARIABLE_MARKER = "//Start of init"; //$NON-NLS-1$ |
| |
| public static final String END_INIT_VARIABLE_MARKER = "//End of init"; //$NON-NLS-1$ |
| |
| public static final String CONSTRUCTOR_MARKER = "//Here is the constructor"; //$NON-NLS-1$ |
| |
| } |
