Workflow checkpoint.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3399 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/jbpm/webapp/bean/JsfHelper.java

@@ -0,0 +1,61 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jbpm.webapp.bean;
+
+import javax.faces.application.FacesMessage;
+import javax.faces.context.FacesContext;
+
+public class JsfHelper {
+
+  public static long getId(String parameterName) {
+    long value = -1;
+    String valueText = (String) FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get(parameterName);
+    try {
+      Long id = new Long(valueText);
+      value = id.longValue();
+    } catch (NumberFormatException e) {
+      throw new RuntimeException("couldn't parse '"+parameterName+"'='"+valueText+"' as a long");
+    }
+    return value;
+  }
+  
+  public static void addMessage(String msg) {
+    FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(msg));
+  }
+
+  public static void setSessionAttribute(String key, Object value) {
+    FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put(key, value);
+  }
+
+  public static Object getSessionAttribute(String key) {
+    return FacesContext.getCurrentInstance().getExternalContext().getSessionMap().get(key);
+  }
+
+  public static void removeSessionAttribute(String key) {
+    FacesContext.getCurrentInstance().getExternalContext().getSessionMap().remove(key);
+  }
+
+  public static String getParameter(String name) {
+    return (String) FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get(name);
+  }
+  // private static final Log log = LogFactory.getLog(JsfHelper.class);
+}