util:properties supports multiple resource locations and ignore-resource-not-found

Issue: SPR-10614

spring-beans/src/main/java/org/springframework/beans/factory/xml/UtilNamespaceHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -120,12 +120,14 @@ public class UtilNamespaceHandler extends NamespaceHandlerSupport {
 
 		@Override
 		protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
-			String listClass = element.getAttribute("list-class");
 			List<Object> parsedList = parserContext.getDelegate().parseListElement(element, builder.getRawBeanDefinition());
 			builder.addPropertyValue("sourceList", parsedList);
+
+			String listClass = element.getAttribute("list-class");
 			if (StringUtils.hasText(listClass)) {
 				builder.addPropertyValue("targetListClass", listClass);
 			}
+
 			String scope = element.getAttribute(SCOPE_ATTRIBUTE);
 			if (StringUtils.hasLength(scope)) {
 				builder.setScope(scope);
@@ -143,12 +145,14 @@ public class UtilNamespaceHandler extends NamespaceHandlerSupport {
 
 		@Override
 		protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
-			String setClass = element.getAttribute("set-class");
 			Set<Object> parsedSet = parserContext.getDelegate().parseSetElement(element, builder.getRawBeanDefinition());
 			builder.addPropertyValue("sourceSet", parsedSet);
+
+			String setClass = element.getAttribute("set-class");
 			if (StringUtils.hasText(setClass)) {
 				builder.addPropertyValue("targetSetClass", setClass);
 			}
+
 			String scope = element.getAttribute(SCOPE_ATTRIBUTE);
 			if (StringUtils.hasLength(scope)) {
 				builder.setScope(scope);
@@ -166,12 +170,14 @@ public class UtilNamespaceHandler extends NamespaceHandlerSupport {
 
 		@Override
 		protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
-			String mapClass = element.getAttribute("map-class");
 			Map<Object, Object> parsedMap = parserContext.getDelegate().parseMapElement(element, builder.getRawBeanDefinition());
 			builder.addPropertyValue("sourceMap", parsedMap);
+
+			String mapClass = element.getAttribute("map-class");
 			if (StringUtils.hasText(mapClass)) {
 				builder.addPropertyValue("targetMapClass", mapClass);
 			}
+
 			String scope = element.getAttribute(SCOPE_ATTRIBUTE);
 			if (StringUtils.hasLength(scope)) {
 				builder.setScope(scope);
@@ -180,23 +186,30 @@ public class UtilNamespaceHandler extends NamespaceHandlerSupport {
 	}
 
 
-	private static class PropertiesBeanDefinitionParser extends AbstractSimpleBeanDefinitionParser {
+	private static class PropertiesBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
 
 		@Override
 		protected Class<?> getBeanClass(Element element) {
 			return PropertiesFactoryBean.class;
 		}
 
-		@Override
-		protected boolean isEligibleAttribute(String attributeName) {
-			return super.isEligibleAttribute(attributeName) && !SCOPE_ATTRIBUTE.equals(attributeName);
-		}
-
 		@Override
 		protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
-			super.doParse(element, parserContext, builder);
 			Properties parsedProps = parserContext.getDelegate().parsePropsElement(element);
 			builder.addPropertyValue("properties", parsedProps);
+
+			String location = element.getAttribute("location");
+			if (StringUtils.hasLength(location)) {
+				String[] locations = StringUtils.commaDelimitedListToStringArray(location);
+				builder.addPropertyValue("locations", locations);
+			}
+
+			builder.addPropertyValue("ignoreResourceNotFound",
+					Boolean.valueOf(element.getAttribute("ignore-resource-not-found")));
+
+			builder.addPropertyValue("localOverride",
+					Boolean.valueOf(element.getAttribute("local-override")));
+
 			String scope = element.getAttribute(SCOPE_ATTRIBUTE);
 			if (StringUtils.hasLength(scope)) {
 				builder.setScope(scope);

spring-beans/src/main/resources/org/springframework/beans/factory/xml/spring-util-4.1.xsd

@@ -177,14 +177,23 @@
 					<xsd:attribute name="id" type="xsd:string"/>
 					<xsd:attribute name="location" type="xsd:string">
 						<xsd:annotation>
-							<xsd:appinfo>
-								<tool:annotation>
-									<tool:expected-type type="org.springframework.core.io.Resource"/>
-								</tool:annotation>
-							</xsd:appinfo>
+							<xsd:documentation><![CDATA[
+	The location of the properties file, as a Spring resource location: a URL,
+	a "classpath:" pseudo URL, or a relative file path. Multiple locations may be
+	specified, separated by commas.
+				]]></xsd:documentation>
+						</xsd:annotation>
+					</xsd:attribute>
+					<xsd:attribute name="ignore-resource-not-found" type="xsd:boolean" default="false">
+						<xsd:annotation>
+							<xsd:documentation><![CDATA[
+	Specifies if failure to find the property resource location should be ignored.
+	Default is "false", meaning that if there is no file in the location specified
+	an exception will be raised at runtime.
+				]]></xsd:documentation>
 						</xsd:annotation>
 					</xsd:attribute>
-					<xsd:attribute name="local-override" type="xsd:boolean">
+					<xsd:attribute name="local-override" type="xsd:boolean" default="false">
 						<xsd:annotation>
 							<xsd:documentation><![CDATA[
 	Specifies whether local properties override properties from files.

spring-beans/src/test/java/org/springframework/beans/factory/xml/UtilNamespaceHandlerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -17,14 +17,15 @@
 package org.springframework.beans.factory.xml;
 
 import java.lang.reflect.Proxy;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
 import java.util.TreeMap;
-import java.util.Arrays;
 
-import junit.framework.TestCase;
+import org.junit.Before;
+import org.junit.Test;
 
 import org.springframework.beans.factory.config.FieldRetrievingFactoryBean;
 import org.springframework.beans.factory.config.PropertiesFactoryBean;
@@ -36,18 +37,21 @@ import org.springframework.tests.beans.CollectingReaderEventListener;
 import org.springframework.tests.sample.beans.CustomEnum;
 import org.springframework.tests.sample.beans.TestBean;
 
+import static org.junit.Assert.*;
+
 /**
  * @author Rob Harrop
  * @author Juergen Hoeller
  * @author Mark Fisher
  */
-public class UtilNamespaceHandlerTests extends TestCase {
+public class UtilNamespaceHandlerTests {
 
 	private DefaultListableBeanFactory beanFactory;
 
 	private CollectingReaderEventListener listener = new CollectingReaderEventListener();
 
-	@Override
+
+	@Before
 	public void setUp() {
 		this.beanFactory = new DefaultListableBeanFactory();
 		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(this.beanFactory);
@@ -55,17 +59,21 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		reader.loadBeanDefinitions(new ClassPathResource("testUtilNamespace.xml", getClass()));
 	}
 
-	public void testConstant() throws Exception {
+
+	@Test
+	public void testConstant() {
 		Integer min = (Integer) this.beanFactory.getBean("min");
 		assertEquals(Integer.MIN_VALUE, min.intValue());
 	}
 
-	public void testConstantWithDefaultName() throws Exception {
+	@Test
+	public void testConstantWithDefaultName() {
 		Integer max = (Integer) this.beanFactory.getBean("java.lang.Integer.MAX_VALUE");
 		assertEquals(Integer.MAX_VALUE, max.intValue());
 	}
 
-	public void testEvents() throws Exception {
+	@Test
+	public void testEvents() {
 		ComponentDefinition propertiesComponent = this.listener.getComponentDefinition("myProperties");
 		assertNotNull("Event for 'myProperties' not sent", propertiesComponent);
 		AbstractBeanDefinition propertiesBean = (AbstractBeanDefinition) propertiesComponent.getBeanDefinitions()[0];
@@ -77,30 +85,35 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertEquals("Incorrect BeanDefinition", FieldRetrievingFactoryBean.class, constantBean.getBeanClass());
 	}
 
-	public void testNestedProperties() throws Exception {
+	@Test
+	public void testNestedProperties() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
 		Properties props = bean.getSomeProperties();
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 	}
 
-	public void testPropertyPath() throws Exception {
+	@Test
+	public void testPropertyPath() {
 		String name = (String) this.beanFactory.getBean("name");
 		assertEquals("Rob Harrop", name);
 	}
 
-	public void testNestedPropertyPath() throws Exception {
+	@Test
+	public void testNestedPropertyPath() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
 		assertEquals("Rob Harrop", bean.getName());
 	}
 
-	public void testSimpleMap() throws Exception {
+	@Test
+	public void testSimpleMap() {
 		Map map = (Map) this.beanFactory.getBean("simpleMap");
 		assertEquals("bar", map.get("foo"));
 		Map map2 = (Map) this.beanFactory.getBean("simpleMap");
 		assertTrue(map == map2);
 	}
 
-	public void testScopedMap() throws Exception {
+	@Test
+	public void testScopedMap() {
 		Map map = (Map) this.beanFactory.getBean("scopedMap");
 		assertEquals("bar", map.get("foo"));
 		Map map2 = (Map) this.beanFactory.getBean("scopedMap");
@@ -108,14 +121,16 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertTrue(map != map2);
 	}
 
-	public void testSimpleList() throws Exception {
+	@Test
+	public void testSimpleList() {
 		List list = (List) this.beanFactory.getBean("simpleList");
 		assertEquals("Rob Harrop", list.get(0));
 		List list2 = (List) this.beanFactory.getBean("simpleList");
 		assertTrue(list == list2);
 	}
 
-	public void testScopedList() throws Exception {
+	@Test
+	public void testScopedList() {
 		List list = (List) this.beanFactory.getBean("scopedList");
 		assertEquals("Rob Harrop", list.get(0));
 		List list2 = (List) this.beanFactory.getBean("scopedList");
@@ -123,14 +138,16 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertTrue(list != list2);
 	}
 
-	public void testSimpleSet() throws Exception {
+	@Test
+	public void testSimpleSet() {
 		Set set = (Set) this.beanFactory.getBean("simpleSet");
 		assertTrue(set.contains("Rob Harrop"));
 		Set set2 = (Set) this.beanFactory.getBean("simpleSet");
 		assertTrue(set == set2);
 	}
 
-	public void testScopedSet() throws Exception {
+	@Test
+	public void testScopedSet() {
 		Set set = (Set) this.beanFactory.getBean("scopedSet");
 		assertTrue(set.contains("Rob Harrop"));
 		Set set2 = (Set) this.beanFactory.getBean("scopedSet");
@@ -138,13 +155,15 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertTrue(set != set2);
 	}
 
-	public void testMapWithRef() throws Exception {
+	@Test
+	public void testMapWithRef() {
 		Map map = (Map) this.beanFactory.getBean("mapWithRef");
 		assertTrue(map instanceof TreeMap);
 		assertEquals(this.beanFactory.getBean("testBean"), map.get("bean"));
 	}
 
-	public void testNestedCollections() throws Exception {
+	@Test
+	public void testNestedCollections() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("nestedCollectionsBean");
 
 		List list = bean.getSomeList();
@@ -171,7 +190,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertFalse(map == bean2.getSomeMap());
 	}
 
-	public void testNestedShortcutCollections() throws Exception {
+	@Test
+	public void testNestedShortcutCollections() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("nestedShortcutCollections");
 
 		assertEquals(1, bean.getStringArray().length);
@@ -194,7 +214,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertFalse(set == bean2.getSomeSet());
 	}
 
-	public void testNestedInCollections() throws Exception {
+	@Test
+	public void testNestedInCollections() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("nestedCustomTagBean");
 
 		List list = bean.getSomeList();
@@ -219,7 +240,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertFalse(map == bean2.getSomeMap());
 	}
 
-	public void testCircularCollections() throws Exception {
+	@Test
+	public void testCircularCollections() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("circularCollectionsBean");
 
 		List list = bean.getSomeList();
@@ -235,7 +257,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertEquals(bean, map.get("foo"));
 	}
 
-	public void testCircularCollectionBeansStartingWithList() throws Exception {
+	@Test
+	public void testCircularCollectionBeansStartingWithList() {
 		this.beanFactory.getBean("circularList");
 		TestBean bean = (TestBean) this.beanFactory.getBean("circularCollectionBeansBean");
 
@@ -255,7 +278,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertEquals(bean, map.get("foo"));
 	}
 
-	public void testCircularCollectionBeansStartingWithSet() throws Exception {
+	@Test
+	public void testCircularCollectionBeansStartingWithSet() {
 		this.beanFactory.getBean("circularSet");
 		TestBean bean = (TestBean) this.beanFactory.getBean("circularCollectionBeansBean");
 
@@ -275,7 +299,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertEquals(bean, map.get("foo"));
 	}
 
-	public void testCircularCollectionBeansStartingWithMap() throws Exception {
+	@Test
+	public void testCircularCollectionBeansStartingWithMap() {
 		this.beanFactory.getBean("circularMap");
 		TestBean bean = (TestBean) this.beanFactory.getBean("circularCollectionBeansBean");
 
@@ -295,12 +320,14 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertEquals(bean, map.get("foo"));
 	}
 
-	public void testNestedInConstructor() throws Exception {
+	@Test
+	public void testNestedInConstructor() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("constructedTestBean");
 		assertEquals("Rob Harrop", bean.getName());
 	}
 
-	public void testLoadProperties() throws Exception {
+	@Test
+	public void testLoadProperties() {
 		Properties props = (Properties) this.beanFactory.getBean("myProperties");
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 		assertEquals("Incorrect property value", null, props.get("foo2"));
@@ -308,7 +335,8 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertTrue(props == props2);
 	}
 
-	public void testScopedProperties() throws Exception {
+	@Test
+	public void testScopedProperties() {
 		Properties props = (Properties) this.beanFactory.getBean("myScopedProperties");
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 		assertEquals("Incorrect property value", null, props.get("foo2"));
@@ -318,30 +346,35 @@ public class UtilNamespaceHandlerTests extends TestCase {
 		assertTrue(props != props2);
 	}
 
-	public void testLocalProperties() throws Exception {
+	@Test
+	public void testLocalProperties() {
 		Properties props = (Properties) this.beanFactory.getBean("myLocalProperties");
 		assertEquals("Incorrect property value", null, props.get("foo"));
 		assertEquals("Incorrect property value", "bar2", props.get("foo2"));
 	}
 
-	public void testMergedProperties() throws Exception {
+	@Test
+	public void testMergedProperties() {
 		Properties props = (Properties) this.beanFactory.getBean("myMergedProperties");
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 		assertEquals("Incorrect property value", "bar2", props.get("foo2"));
 	}
 
+	@Test
 	public void testLocalOverrideDefault() {
 		Properties props = (Properties) this.beanFactory.getBean("defaultLocalOverrideProperties");
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 		assertEquals("Incorrect property value", "local2", props.get("foo2"));
 	}
 
+	@Test
 	public void testLocalOverrideFalse() {
 		Properties props = (Properties) this.beanFactory.getBean("falseLocalOverrideProperties");
 		assertEquals("Incorrect property value", "bar", props.get("foo"));
 		assertEquals("Incorrect property value", "local2", props.get("foo2"));
 	}
 
+	@Test
 	public void testLocalOverrideTrue() {
 		Properties props = (Properties) this.beanFactory.getBean("trueLocalOverrideProperties");
 		assertEquals("Incorrect property value", "local", props.get("foo"));

spring-beans/src/test/resources/org/springframework/beans/factory/xml/testUtilNamespace.xml

@@ -2,8 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xmlns:util="http://www.springframework.org/schema/util"
-		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-				http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.5.xsd">
+		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
+				http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd">
 
 	<util:constant id="min" static-field="
 			java.lang.Integer.
@@ -157,7 +157,8 @@
 			location="classpath:/org/springframework/beans/factory/xml/util.properties"/>
 
 	<util:properties id="myScopedProperties"
-			location="classpath:/org/springframework/beans/factory/xml/util.properties" scope="prototype"/>
+			location="classpath:/org/springframework/beans/factory/xml/util.properties,classpath:override.properties"
+			ignore-resource-not-found="true" scope="prototype"/>
 
 	<util:properties id="myLocalProperties">
 		<prop key="foo2">bar2</prop>