?? logregister.java
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/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.util;import com.opensymphony.module.propertyset.PropertySet;import com.opensymphony.util.TextUtils;import com.opensymphony.workflow.Register;import com.opensymphony.workflow.WorkflowContext;import com.opensymphony.workflow.spi.WorkflowEntry;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import java.util.Map;/** * This is a register, which helps logging using commons-logging. * It wraps a Logger instance which is linked to the "OSWorkflow/<workflow_name>/<id>" category * * Following optional arguments available: * <ul> * <li>addInstanceId=true/false - if the instance id of the workflow should be added to the category. Defaults to false</li> * <li>Category="OSWorkflow" - change the name of the log category other than "OSWorkflow"</li> * </ul> * * * If you register this class as "Logger", then you may use it from a Beanshell script like: * <pre> * logger = transientVars.get("logger"); * logger.debug("hello logger!"); * </pre> * * @author Zoltan Luspai */public class LogRegister implements Register { //~ Methods //////////////////////////////////////////////////////////////// /** * @see com.opensymphony.workflow.Register#registerVariable(com.opensymphony.workflow.WorkflowContext,com.opensymphony.workflow.spi.WorkflowEntry,java.util.Map,PropertySet) */ public Object registerVariable(WorkflowContext context, WorkflowEntry entry, Map args, PropertySet ps) { String workflowname = "unknown"; long workflow_id = -1; if (entry != null) { workflowname = entry.getWorkflowName(); workflow_id = entry.getId(); } boolean groupByInstance = false; String useInstance = (String) args.get("addInstanceId"); if (useInstance != null) { groupByInstance = TextUtils.parseBoolean(useInstance); } String categoryName = "OSWorkflow"; if (args.get("Category") != null) { categoryName = (String) args.get("Category"); } String category = categoryName + "." + workflowname; if (groupByInstance) { category += ("." + (Long.toString(workflow_id))); } Log log = LogFactory.getLog(category); return log; }}
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