From 06190b135353cbff7f1c55a3ad8690bf3209f454 Mon Sep 17 00:00:00 2001
From: Ilayaperumal Gopinathan <igopinathan@pivotal.io>
Date: Mon, 20 Jul 2015 10:25:05 -0700
Subject: [PATCH] Remove spring-xd-module dependency

 - Remove `spring-xd-module` dependency from spring-cloud-stream
 - Move `DateFormat` validation class to sample
---
 pom.xml                                       | 10 --
 .../src/main/java/source/DateFormat.java      | 93 +++++++++++++++++++
 .../source/TimeSourceOptionsMetadata.java     |  2 -
 spring-cloud-stream/pom.xml                   |  5 -
 4 files changed, 93 insertions(+), 17 deletions(-)
 create mode 100644 spring-cloud-stream-samples/source/src/main/java/source/DateFormat.java

diff --git a/pom.xml b/pom.xml
index bba99596d..a498b69d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,11 +52,6 @@
 			  <groupId>org.springframework.cloud</groupId>
 			  <artifactId>spring-cloud-stream</artifactId>
 			  <version>${project.version}</version>
-		    </dependency>
-		    <dependency>
-			  <groupId>org.springframework.cloud</groupId>
-			  <artifactId>spring-xd-runner</artifactId>
-			  <version>${project.version}</version>
 		    </dependency>
 			<dependency>
 				<groupId>org.springframework.cloud</groupId>
@@ -68,11 +63,6 @@
 				<artifactId>spring-cloud-stream-common</artifactId>
 				<version>${project.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>org.springframework.xd</groupId>
-				<artifactId>spring-xd-module</artifactId>
-				<version>${spring-xd.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>org.springframework.cloud</groupId>
 				<artifactId>spring-cloud-stream-binder-local</artifactId>
diff --git a/spring-cloud-stream-samples/source/src/main/java/source/DateFormat.java b/spring-cloud-stream-samples/source/src/main/java/source/DateFormat.java
new file mode 100644
index 000000000..ee0ce7964
--- /dev/null
+++ b/spring-cloud-stream-samples/source/src/main/java/source/DateFormat.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 source;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.*;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+import java.text.SimpleDateFormat;
+
+import javax.validation.Constraint;
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+import javax.validation.Payload;
+
+/**
+ * The annotated String must be a valid {@link java.text.SimpleDateFormat} pattern.
+ *
+ * @author Eric Bottard
+ */
+@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})
+@Retention(RUNTIME)
+@Documented
+@Constraint(validatedBy = {DateFormat.DateFormatValidator.class})
+public @interface DateFormat {
+
+	String DEFAULT_MESSAGE = "";
+
+	String message() default DEFAULT_MESSAGE;
+
+	Class<?>[] groups() default {};
+
+	Class<? extends Payload>[] payload() default {};
+
+
+	/**
+	 * Defines several {@link DateFormat} annotations on the same element.
+	 *
+	 * @see DateFormat
+	 */
+	@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})
+	@Retention(RUNTIME)
+	@Documented
+	@interface List {
+
+		DateFormat[] value();
+	}
+
+	public static class DateFormatValidator implements ConstraintValidator<DateFormat, CharSequence> {
+
+		private String message;
+
+		@Override
+		public void initialize(DateFormat constraintAnnotation) {
+			this.message = constraintAnnotation.message();
+		}
+
+		@Override
+		public boolean isValid(CharSequence value, ConstraintValidatorContext context) {
+			if (value == null) {
+				return true;
+			}
+			try {
+				new SimpleDateFormat(value.toString());
+			}
+			catch (IllegalArgumentException e) {
+				if (DEFAULT_MESSAGE.equals(this.message)) {
+					context.disableDefaultConstraintViolation();
+					context.buildConstraintViolationWithTemplate(e.getMessage()).addConstraintViolation();
+				}
+				return false;
+			}
+			return true;
+		}
+	}
+
+}
diff --git a/spring-cloud-stream-samples/source/src/main/java/source/TimeSourceOptionsMetadata.java b/spring-cloud-stream-samples/source/src/main/java/source/TimeSourceOptionsMetadata.java
index 5f184f6ae..ab2fb3937 100644
--- a/spring-cloud-stream-samples/source/src/main/java/source/TimeSourceOptionsMetadata.java
+++ b/spring-cloud-stream-samples/source/src/main/java/source/TimeSourceOptionsMetadata.java
@@ -19,8 +19,6 @@ package source;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Pattern;
 
-import org.springframework.xd.module.options.validation.DateFormat;
-
 /**
  * Describes options to the {@code time} source module.
  *
diff --git a/spring-cloud-stream/pom.xml b/spring-cloud-stream/pom.xml
index 14eb1a3a6..777ee1941 100644
--- a/spring-cloud-stream/pom.xml
+++ b/spring-cloud-stream/pom.xml
@@ -43,11 +43,6 @@
 			<artifactId>spring-cloud-stream-codec</artifactId>
 		</dependency>
 
-		<dependency>
-			<groupId>org.springframework.xd</groupId>
-			<artifactId>spring-xd-module</artifactId>
-		</dependency>
-
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream-binder-local</artifactId>