added convenience methods for multiple ui messages to be displayed

jeeutil/src/main/java/de/muehlencord/shared/jeeutil/DefaultUIMessage.java

@@ -0,0 +1,103 @@
+/* 
+ * Copyright 2019 joern.muehlencord.
+ *
+ * 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 de.muehlencord.shared.jeeutil;
+
+import javax.faces.application.FacesMessage;
+import javax.faces.application.FacesMessage.Severity;
+
+/**
+ *
+ * @author joern@muehlencord.de
+ */
+public class DefaultUIMessage implements UIMessage {
+
+    private static final long serialVersionUID = 3417186732917401077L;
+
+    public static DefaultUIMessage create(String message) {
+        return new DefaultUIMessage(UIMessageType.INFO, message, null);
+    }
+
+    public static DefaultUIMessage createWarning(String message) {
+        return new DefaultUIMessage(UIMessageType.WARNING, message, null);
+    }
+
+    public static DefaultUIMessage create(UIMessageType messageType, String message, String detail) {
+        return new DefaultUIMessage(messageType, message, detail);
+    }
+
+    private UIMessageType messageType;
+    private String message;
+    private String detail;
+
+    public DefaultUIMessage(UIMessageType messageType, String message) {
+        this.messageType = messageType;
+        this.message = message;
+    }
+
+    private DefaultUIMessage(UIMessageType messageType, String message, String detail) {
+        this.messageType = messageType;
+        this.message = message;
+        this.detail = detail;
+    }
+
+    @Override
+    public UIMessageType getMessageType() {
+        return messageType;
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+    @Override
+    public String getDetail() {
+        return (detail == null) ? "" : detail;
+    }
+
+    @Override
+    public FacesMessage getFacesMessage() {
+        return getFacesMessage(null);
+    }
+
+    @Override
+    public FacesMessage getFacesMessage(String prefix) {
+
+        Severity severity;
+        switch (getMessageType()) {
+            case INFO:
+                severity = FacesMessage.SEVERITY_INFO;
+                break;
+            case WARNING:
+                severity = FacesMessage.SEVERITY_WARN;
+                break;
+            case ERROR:
+                severity = FacesMessage.SEVERITY_WARN;
+                break;
+            default:
+                severity = FacesMessage.SEVERITY_ERROR;
+                break;
+        }
+        String summary;
+        if ((prefix == null) || (prefix.equals(""))) {
+            summary = getMessage();
+        } else {
+            summary = prefix + ": " + getMessage();
+        }
+        return new FacesMessage(severity, summary, getDetail());
+    }
+
+}

jeeutil/src/main/java/de/muehlencord/shared/jeeutil/FacesUtil.java

@@ -1,5 +1,21 @@
+/* 
+ * Copyright 2019 joern.muehlencord.
+ *
+ * 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 de.muehlencord.shared.jeeutil;
 
+import java.util.List;
 import javax.faces.application.FacesMessage;
 import javax.faces.context.FacesContext;
 
@@ -182,4 +198,19 @@ public abstract class FacesUtil {
         FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_FATAL, summary, detail);
         FacesContext.getCurrentInstance().addMessage(clientId, message);
     }
+
+    public static void addMessages(List<UIMessage> messages) {
+        messages.stream().map(msg -> msg.getFacesMessage()).forEach(msg -> {
+            if (msg.getSeverity() == FacesMessage.SEVERITY_ERROR) {
+                FacesUtil.addGlobalErrorMessage(msg.getSummary(), msg.getDetail());
+            } else if (msg.getSeverity() == FacesMessage.SEVERITY_WARN) {
+                FacesUtil.addGlobalWarningMessage(msg.getSummary(), msg.getDetail());
+            } else if (msg.getSeverity() == FacesMessage.SEVERITY_FATAL) {
+                FacesUtil.addGlobalFatalMessage(msg.getSummary(), msg.getDetail());
+            } else {
+                FacesUtil.addGlobalInfoMessage(msg.getSummary(), msg.getDetail());
+            }
+        });
+    }
+    
 }

jeeutil/src/main/java/de/muehlencord/shared/jeeutil/UIMessage.java

@@ -0,0 +1,37 @@
+/* 
+ * Copyright 2019 joern.muehlencord.
+ *
+ * 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 de.muehlencord.shared.jeeutil;
+
+import java.io.Serializable;
+import javax.faces.application.FacesMessage;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public interface UIMessage extends Serializable {
+
+    String getDetail();
+
+    String getMessage();
+
+    UIMessageType getMessageType();
+    
+    FacesMessage getFacesMessage();
+    
+    FacesMessage getFacesMessage(String prefix);
+
+}

jeeutil/src/main/java/de/muehlencord/shared/jeeutil/UIMessageType.java

@@ -0,0 +1,27 @@
+/* 
+ * Copyright 2019 joern.muehlencord.
+ *
+ * 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 de.muehlencord.shared.jeeutil;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public enum UIMessageType {
+    INFO,
+    WARNING,
+    ERROR;
+
+}