添加Alert Builder的Builder模式

byhieg · byhieg · commit 3c1aee624f2d · 2017-05-07T16:03:30.000+08:00
diff --git a/src/main/java/cn/byhieg/designpatterntutorial/builder/SimpleDialog.java b/src/main/java/cn/byhieg/designpatterntutorial/builder/SimpleDialog.java
@@ -0,0 +1,78 @@
+package cn.byhieg.designpatterntutorial.builder;
+
+/**
+ * Created by shiqifeng on 2017/5/7.
+ * Mail byhieg@gmail.com
+ */
+public class SimpleDialog {
+
+
+    public SimpleDialogController controller;
+
+    public SimpleDialog(){
+        controller = new SimpleDialogController();
+    }
+
+    public void setIcon(String icon) {
+        controller.setIcon(icon);
+    }
+
+    public void setTitle(String title) {
+        controller.setTitle(title);
+    }
+
+    public void setMessage(String message) {
+        controller.setMessage(message);
+    }
+
+    public void setPositiveButton(String positiveButton) {
+        controller.setPositiveButton(positiveButton);
+    }
+
+    public void setNegativeButton(String negativeButton) {
+        controller.setNegativeButton(negativeButton);
+    }
+
+
+    public static class Builder{
+        SimpleDialogController.DialogParams P;
+
+        public Builder(){
+            P = new SimpleDialogController.DialogParams();
+        }
+
+        public Builder setIcon(String icon){
+            P.icon = icon;
+            return this;
+        }
+
+        public Builder setTitle(String title) {
+            P.title = title;
+            return this;
+        }
+
+        public Builder setMessage(String message) {
+            P.message = message;
+            return this;
+        }
+
+        public Builder setPositiveButton(String positiveButton) {
+            P.positiveButton = positiveButton;
+            return this;
+        }
+
+        public Builder setNegativeButton(String negativeButton) {
+            P.negativeButton = negativeButton;
+            return this;
+        }
+
+        public SimpleDialog create(){
+            SimpleDialog dialog = new SimpleDialog();
+            P.apply(dialog.controller);
+            System.out.println(" ICON = " + P.icon + " MESSAGE = " + P.message + " positiveButton = " + P.positiveButton + " negativeButton" + P.negativeButton);
+            return dialog;
+        }
+    }
+
+
+}
diff --git a/src/main/java/cn/byhieg/designpatterntutorial/builder/SimpleDialogController.java b/src/main/java/cn/byhieg/designpatterntutorial/builder/SimpleDialogController.java
@@ -0,0 +1,81 @@
+package cn.byhieg.designpatterntutorial.builder;
+
+/**
+ * Created by shiqifeng on 2017/5/7.
+ * Mail byhieg@gmail.com
+ */
+public class SimpleDialogController {
+
+    private String icon;
+    private String title;
+    private String message;
+    private String positiveButton;
+    private String negativeButton;
+
+    public void setIcon(String icon) {
+        this.icon = icon;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public void setPositiveButton(String positiveButton) {
+        this.positiveButton = positiveButton;
+    }
+
+    public void setNegativeButton(String negativeButton) {
+        this.negativeButton = negativeButton;
+    }
+
+    public String getIcon() {
+        return icon;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public String getPositiveButton() {
+        return positiveButton;
+    }
+
+    public String getNegativeButton() {
+        return negativeButton;
+    }
+
+    public static class DialogParams{
+        public String icon;
+        public String title;
+        public String message;
+        public String positiveButton;
+        public String negativeButton;
+
+        public void apply(SimpleDialogController controller) {
+            if (icon != null) {
+                controller.setIcon(icon);
+            }
+            if (title != null) {
+                controller.setTitle(title);
+            }
+            if (message != null) {
+                controller.setMessage(message);
+            }
+            if (positiveButton != null) {
+                controller.setPositiveButton(positiveButton);
+            }
+            if (negativeButton != null) {
+                controller.setNegativeButton(negativeButton);
+            }
+        }
+    }
+
+}
diff --git a/src/test/java/cn/byhieg/designpatterntutorialtest/SimpleDialogTest.java b/src/test/java/cn/byhieg/designpatterntutorialtest/SimpleDialogTest.java
@@ -0,0 +1,18 @@
+package cn.byhieg.designpatterntutorialtest;
+
+import cn.byhieg.designpatterntutorial.builder.SimpleDialog;
+import junit.framework.TestCase;
+
+/**
+ * Created by shiqifeng on 2017/5/7.
+ * Mail byhieg@gmail.com
+ */
+public class SimpleDialogTest extends TestCase {
+
+    public void testBuilder() throws Exception {
+        SimpleDialog dialog = new SimpleDialog.Builder().setIcon("图标").setMessage("这是Dialog").setPositiveButton("确认").setNegativeButton("否定").create();
+
+
+    }
+
+}
