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Placeholder configurers allow for trimming of property values 

Issue: SPR-5839
This commit is contained in:
Juergen Hoeller 2016-02-19 19:19:39 +01:00
parent 890819f886
commit a7ad49adcf
10 changed files with 213 additions and 93 deletions
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14
spring-beans/src/main/java/org/springframework/beans/factory/config/PlaceholderConfigurerSupport.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -107,6 +107,8 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
/** Defaults to {@value #DEFAULT_VALUE_SEPARATOR} */
protected String valueSeparator = DEFAULT_VALUE_SEPARATOR;
protected boolean trimValues = false;
protected String nullValue;
protected boolean ignoreUnresolvablePlaceholders = false;
@ -142,6 +144,16 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
this.valueSeparator = valueSeparator;
}
/**
* Specify whether to trim resolved values before applying them,
* removing superfluous whitespace from the beginning and end.
* <p>Default is {@code false}.
* @since 4.3
*/
public void setTrimValues(boolean trimValues) {
this.trimValues = trimValues;
}
/**
* Set a value that should be treated as {@code null} when resolved
* as a placeholder value: e.g. "" (empty String) or "null".

9
spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurer.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -255,8 +255,11 @@ public class PropertyPlaceholderConfigurer extends PlaceholderConfigurerSupport
@Override
public String resolveStringValue(String strVal) throws BeansException {
String value = this.helper.replacePlaceholders(strVal, this.resolver);
return (value.equals(nullValue) ? null : value);
String resolved = this.helper.replacePlaceholders(strVal, this.resolver);
if (trimValues) {
resolved = resolved.trim();
}
return (resolved.equals(nullValue) ? null : resolved);
}
}

73
spring-beans/src/test/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurerTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2016 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.
@ -39,11 +39,10 @@ import static org.springframework.beans.factory.support.BeanDefinitionReaderUtil
/**
* Unit tests for {@link PropertyPlaceholderConfigurer}.
*
* @see PropertySourcesPlaceholderConfigurerTests
* @see PropertyResourceConfigurerTests
* @author Chris Beams
*/
public class PropertyPlaceholderConfigurerTests {
private static final String P1 = "p1";
private static final String P1_LOCAL_PROPS_VAL = "p1LocalPropsVal";
private static final String P1_SYSTEM_PROPS_VAL = "p1SystemPropsVal";
@ -55,11 +54,12 @@ public class PropertyPlaceholderConfigurerTests {
private AbstractBeanDefinition p1BeanDef;
@Before
public void setUp() {
p1BeanDef = rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${"+P1+"}")
.getBeanDefinition();
.addPropertyValue("name", "${" + P1 + "}")
.getBeanDefinition();
bf = new DefaultListableBeanFactory();
@ -97,9 +97,9 @@ public class PropertyPlaceholderConfigurerTests {
public void resolveFromSystemProperties() {
getModifiableSystemEnvironment().put("otherKey", "systemValue");
p1BeanDef = rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${"+P1+"}")
.addPropertyValue("sex", "${otherKey}")
.getBeanDefinition();
.addPropertyValue("name", "${" + P1 + "}")
.addPropertyValue("sex", "${otherKey}")
.getBeanDefinition();
registerWithGeneratedName(p1BeanDef, bf);
ppc.postProcessBeanFactory(bf);
TestBean bean = bf.getBean(TestBean.class);
@ -167,9 +167,9 @@ public class PropertyPlaceholderConfigurerTests {
String P2_SYSTEM_ENV_VAL = "p2SystemEnvVal";
AbstractBeanDefinition p2BeanDef = rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${"+P1+"}")
.addPropertyValue("country", "${"+P2+"}")
.getBeanDefinition();
.addPropertyValue("name", "${" + P1 + "}")
.addPropertyValue("country", "${" + P2 + "}")
.getBeanDefinition();
bf.registerBeanDefinition("p1Bean", p1BeanDef);
bf.registerBeanDefinition("p2Bean", p2BeanDef);
@ -238,6 +238,33 @@ public class PropertyPlaceholderConfigurerTests {
getModifiableSystemEnvironment().remove("my.name");
}
@Test
public void trimValuesIsOffByDefault() {
PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
getModifiableSystemEnvironment().put("my.name", " myValue ");
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("testBean", rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo(" myValue "));
getModifiableSystemEnvironment().remove("my.name");
}
@Test
public void trimValuesIsApplied() {
PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
ppc.setTrimValues(true);
getModifiableSystemEnvironment().put("my.name", " myValue ");
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("testBean", rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("myValue"));
getModifiableSystemEnvironment().remove("my.name");
}
@SuppressWarnings("unchecked")
private static Map<String, String> getModifiableSystemEnvironment() {
@ -253,7 +280,8 @@ public class PropertyPlaceholderConfigurerTests {
if (obj != null && obj.getClass().getName().equals("java.lang.ProcessEnvironment$StringEnvironment")) {
return (Map<String, String>) obj;
}
} catch (Exception ex) {
}
catch (Exception ex) {
throw new RuntimeException(ex);
}
}
@ -263,8 +291,9 @@ public class PropertyPlaceholderConfigurerTests {
Class<?> processEnvironmentClass;
try {
processEnvironmentClass = Class.forName("java.lang.ProcessEnvironment");
} catch (Exception e) {
throw new RuntimeException(e);
}
catch (Exception ex) {
throw new RuntimeException(ex);
}
try {
@ -272,10 +301,12 @@ public class PropertyPlaceholderConfigurerTests {
theCaseInsensitiveEnvironmentField.setAccessible(true);
Object obj = theCaseInsensitiveEnvironmentField.get(null);
return (Map<String, String>) obj;
} catch (NoSuchFieldException e) {
}
catch (NoSuchFieldException ex) {
// do nothing
} catch (Exception e) {
throw new RuntimeException(e);
}
catch (Exception ex) {
throw new RuntimeException(ex);
}
try {
@ -283,10 +314,12 @@ public class PropertyPlaceholderConfigurerTests {
theEnvironmentField.setAccessible(true);
Object obj = theEnvironmentField.get(null);
return (Map<String, String>) obj;
} catch (NoSuchFieldException e) {
}
catch (NoSuchFieldException ex) {
// do nothing
} catch (Exception e) {
throw new RuntimeException(e);
}
catch (Exception ex) {
throw new RuntimeException(ex);
}
throw new IllegalStateException();

6
spring-context/src/main/java/org/springframework/context/config/PropertyPlaceholderBeanDefinitionParser.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -69,7 +69,9 @@ class PropertyPlaceholderBeanDefinitionParser extends AbstractPropertyLoadingBea
if (element.hasAttribute("value-separator")) {
builder.addPropertyValue("valueSeparator", element.getAttribute("value-separator"));
}
if (element.hasAttribute("trim-values")) {
builder.addPropertyValue("trimValues", element.getAttribute("trim-values"));
}
if (element.hasAttribute("null-value")) {
builder.addPropertyValue("nullValue", element.getAttribute("null-value"));
}

9
spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -167,9 +167,12 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
StringValueResolver valueResolver = new StringValueResolver() {
@Override
public String resolveStringValue(String strVal) {
String resolved = ignoreUnresolvablePlaceholders ?
String resolved = (ignoreUnresolvablePlaceholders ?
propertyResolver.resolvePlaceholders(strVal) :
propertyResolver.resolveRequiredPlaceholders(strVal);
propertyResolver.resolveRequiredPlaceholders(strVal));
if (trimValues) {
resolved = resolved.trim();
}
return (resolved.equals(nullValue) ? null : resolved);
}
};

8
spring-context/src/main/resources/org/springframework/context/config/spring-context-4.3.xsd
View File

@ -149,6 +149,14 @@
<xsd:documentation><![CDATA[
The separating character between the placeholder variable and the associated
default value: by default, a ':' symbol.
]]></xsd:documentation>
</xsd:annotation>
</xsd:attribute>
<xsd:attribute name="trim-values">
<xsd:annotation>
<xsd:documentation><![CDATA[
Whether to trim resolved values before applying them, removing superfluous
whitespace (in particular tab characters) from the beginning and end.
]]></xsd:documentation>
</xsd:annotation>
</xsd:attribute>

24
spring-context/src/test/java/org/springframework/context/config/ContextNamespaceHandlerTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -18,14 +18,10 @@ package org.springframework.context.config;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;
import org.junit.After;
import org.junit.Test;
import org.springframework.beans.factory.config.PlaceholderConfigurerSupport;
import org.springframework.beans.factory.config.PropertyOverrideConfigurer;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
@ -53,9 +49,6 @@ public class ContextNamespaceHandlerTests {
public void propertyPlaceholder() throws Exception {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
"contextNamespaceHandlerTests-replace.xml", getClass());
Map<String, PlaceholderConfigurerSupport> beans = applicationContext
.getBeansOfType(PlaceholderConfigurerSupport.class);
assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
assertEquals("bar", applicationContext.getBean("string"));
assertEquals("null", applicationContext.getBean("nullString"));
}
@ -66,9 +59,6 @@ public class ContextNamespaceHandlerTests {
try {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
"contextNamespaceHandlerTests-system.xml", getClass());
Map<String, PropertyPlaceholderConfigurer> beans = applicationContext
.getBeansOfType(PropertyPlaceholderConfigurer.class);
assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
assertEquals("spam", applicationContext.getBean("string"));
assertEquals("none", applicationContext.getBean("fallback"));
}
@ -86,9 +76,6 @@ public class ContextNamespaceHandlerTests {
applicationContext.setEnvironment(env);
applicationContext.load(new ClassPathResource("contextNamespaceHandlerTests-simple.xml", getClass()));
applicationContext.refresh();
Map<String, PlaceholderConfigurerSupport> beans = applicationContext
.getBeansOfType(PlaceholderConfigurerSupport.class);
assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
assertEquals("spam", applicationContext.getBean("string"));
assertEquals("none", applicationContext.getBean("fallback"));
}
@ -97,9 +84,6 @@ public class ContextNamespaceHandlerTests {
public void propertyPlaceholderLocation() throws Exception {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
"contextNamespaceHandlerTests-location.xml", getClass());
Map<String, PropertyPlaceholderConfigurer> beans = applicationContext
.getBeansOfType(PropertyPlaceholderConfigurer.class);
assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
assertEquals("bar", applicationContext.getBean("foo"));
assertEquals("foo", applicationContext.getBean("bar"));
assertEquals("maps", applicationContext.getBean("spam"));
@ -109,9 +93,6 @@ public class ContextNamespaceHandlerTests {
public void propertyPlaceholderIgnored() throws Exception {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
"contextNamespaceHandlerTests-replace-ignore.xml", getClass());
Map<String, PlaceholderConfigurerSupport> beans = applicationContext
.getBeansOfType(PlaceholderConfigurerSupport.class);
assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
assertEquals("${bar}", applicationContext.getBean("string"));
assertEquals("null", applicationContext.getBean("nullString"));
}
@ -120,9 +101,6 @@ public class ContextNamespaceHandlerTests {
public void propertyOverride() throws Exception {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
"contextNamespaceHandlerTests-override.xml", getClass());
Map<String, PropertyOverrideConfigurer> beans = applicationContext
.getBeansOfType(PropertyOverrideConfigurer.class);
assertFalse("No PropertyOverrideConfigurer found", beans.isEmpty());
Date date = (Date) applicationContext.getBean("date");
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);

153
spring-context/src/test/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurerTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2016 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.
@ -16,6 +16,7 @@
package org.springframework.context.support;
import java.util.Optional;
import java.util.Properties;
import org.junit.Rule;
@ -24,6 +25,7 @@ import org.junit.rules.ExpectedException;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
import org.springframework.core.env.StandardEnvironment;
@ -39,6 +41,7 @@ import static org.springframework.beans.factory.support.BeanDefinitionBuilder.*;
/**
* @author Chris Beams
* @author Juergen Hoeller
* @since 3.1
*/
public class PropertySourcesPlaceholderConfigurerTests {
@ -46,6 +49,7 @@ public class PropertySourcesPlaceholderConfigurerTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void replacementFromEnvironmentProperties() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
@ -57,8 +61,7 @@ public class PropertySourcesPlaceholderConfigurerTests {
MockEnvironment env = new MockEnvironment();
env.setProperty("my.name", "myValue");
PropertySourcesPlaceholderConfigurer ppc =
new PropertySourcesPlaceholderConfigurer();
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setEnvironment(env);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("myValue"));
@ -73,10 +76,10 @@ public class PropertySourcesPlaceholderConfigurerTests {
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
Resource resource = new ClassPathResource("PropertySourcesPlaceholderConfigurerTests.properties", this.getClass());
pc.setLocation(resource);
pc.postProcessBeanFactory(bf);
ppc.setLocation(resource);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("foo"));
}
@ -101,11 +104,11 @@ public class PropertySourcesPlaceholderConfigurerTests {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addLast(new MockPropertySource().withProperty("my.name", "foo"));
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setPropertySources(propertySources);
pc.postProcessBeanFactory(bf);
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setPropertySources(propertySources);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("foo"));
assertEquals(pc.getAppliedPropertySources().iterator().next(), propertySources.iterator().next());
assertEquals(ppc.getAppliedPropertySources().iterator().next(), propertySources.iterator().next());
}
@Test
@ -119,13 +122,13 @@ public class PropertySourcesPlaceholderConfigurerTests {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addLast(new MockPropertySource());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setPropertySources(propertySources);
pc.setEnvironment(new MockEnvironment().withProperty("my.name", "env"));
pc.setIgnoreUnresolvablePlaceholders(true);
pc.postProcessBeanFactory(bf);
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setPropertySources(propertySources);
ppc.setEnvironment(new MockEnvironment().withProperty("my.name", "env"));
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("${my.name}"));
assertEquals(pc.getAppliedPropertySources().iterator().next(), propertySources.iterator().next());
assertEquals(ppc.getAppliedPropertySources().iterator().next(), propertySources.iterator().next());
}
@Test
@ -140,17 +143,17 @@ public class PropertySourcesPlaceholderConfigurerTests {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addLast(new MockPropertySource());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setPropertySources(propertySources);
pc.setProperties(new Properties() {{
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setPropertySources(propertySources);
ppc.setProperties(new Properties() {{
put("my.name", "local");
}});
pc.setIgnoreUnresolvablePlaceholders(true);
pc.postProcessBeanFactory(bf);
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("${my.name}"));
}
@Test(expected=BeanDefinitionStoreException.class)
@Test(expected = BeanDefinitionStoreException.class)
public void ignoreUnresolvablePlaceholders_falseIsDefault() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("testBean",
@ -158,9 +161,9 @@ public class PropertySourcesPlaceholderConfigurerTests {
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
//pc.setIgnoreUnresolvablePlaceholders(false); // the default
pc.postProcessBeanFactory(bf); // should throw
ppc.postProcessBeanFactory(bf); // should throw
}
@Test
@ -171,13 +174,13 @@ public class PropertySourcesPlaceholderConfigurerTests {
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setIgnoreUnresolvablePlaceholders(true);
pc.postProcessBeanFactory(bf);
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("${my.name}"));
}
@Test(expected=BeanDefinitionStoreException.class)
@Test(expected = BeanDefinitionStoreException.class)
@SuppressWarnings("serial")
public void nestedUnresolvablePlaceholder() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
@ -186,11 +189,11 @@ public class PropertySourcesPlaceholderConfigurerTests {
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setProperties(new Properties() {{
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setProperties(new Properties() {{
put("my.name", "${bogus}");
}});
pc.postProcessBeanFactory(bf); // should throw
ppc.postProcessBeanFactory(bf); // should throw
}
@Test
@ -202,12 +205,12 @@ public class PropertySourcesPlaceholderConfigurerTests {
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
PropertySourcesPlaceholderConfigurer pc = new PropertySourcesPlaceholderConfigurer();
pc.setProperties(new Properties() {{
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setProperties(new Properties() {{
put("my.name", "${bogus}");
}});
pc.setIgnoreUnresolvablePlaceholders(true);
pc.postProcessBeanFactory(bf);
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("${bogus}"));
}
@ -295,6 +298,31 @@ public class PropertySourcesPlaceholderConfigurerTests {
assertThat(bf.getBean(TestBean.class).getName(), nullValue());
}
@Test
public void trimValuesIsOffByDefault() {
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("testBean", rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
ppc.setEnvironment(new MockEnvironment().withProperty("my.name", " myValue "));
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo(" myValue "));
}
@Test
public void trimValuesIsApplied() {
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setTrimValues(true);
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("testBean", rootBeanDefinition(TestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
ppc.setEnvironment(new MockEnvironment().withProperty("my.name", " myValue "));
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(TestBean.class).getName(), equalTo("myValue"));
}
@Test
public void getAppliedPropertySourcesTooEarly() throws Exception {
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
@ -308,7 +336,7 @@ public class PropertySourcesPlaceholderConfigurerTests {
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ClassPathResource doesNotHave = new ClassPathResource("test.properties", getClass());
ClassPathResource setToTrue = new ClassPathResource("placeholder.properties", getClass());
ppc.setLocations(new Resource[] { doesNotHave, setToTrue });
ppc.setLocations(doesNotHave, setToTrue);
ppc.setIgnoreResourceNotFound(true);
ppc.setIgnoreUnresolvablePlaceholders(true);
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
@ -320,4 +348,57 @@ public class PropertySourcesPlaceholderConfigurerTests {
assertThat(bf.getBean(TestBean.class).isJedi(), equalTo(true));
}
@Test
public void optionalPropertyWithValue() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.setConversionService(new DefaultConversionService());
bf.registerBeanDefinition("testBean",
genericBeanDefinition(OptionalTestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
MockEnvironment env = new MockEnvironment();
env.setProperty("my.name", "myValue");
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setEnvironment(env);
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(OptionalTestBean.class).getName(), equalTo(Optional.of("myValue")));
}
@Test
public void optionalPropertyWithoutValue() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.setConversionService(new DefaultConversionService());
bf.registerBeanDefinition("testBean",
genericBeanDefinition(OptionalTestBean.class)
.addPropertyValue("name", "${my.name}")
.getBeanDefinition());
MockEnvironment env = new MockEnvironment();
env.setProperty("my.name", "");
PropertySourcesPlaceholderConfigurer ppc = new PropertySourcesPlaceholderConfigurer();
ppc.setEnvironment(env);
ppc.setIgnoreUnresolvablePlaceholders(true);
ppc.setNullValue("");
ppc.postProcessBeanFactory(bf);
assertThat(bf.getBean(OptionalTestBean.class).getName(), equalTo(Optional.empty()));
}
private static class OptionalTestBean {
private Optional<String> name;
public Optional<String> getName() {
return name;
}
public void setName(Optional<String> name) {
this.name = name;
}
}
}

6
spring-context/src/test/resources/org/springframework/context/config/contextNamespaceHandlerTests-location.xml
View File

@ -2,12 +2,12 @@
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<context:property-placeholder
location="classpath*:/org/springframework/context/config/test-*.properties,classpath*:/org/springframework/context/config/empty-*.properties,classpath*:/org/springframework/context/config/missing-*.properties"
file-encoding="ISO-8859-1"/>
file-encoding="ISO-8859-1" trim-values="true"/>
<bean id="foo" class="java.lang.String">
<constructor-arg value="${foo}"/>

4
spring-context/src/test/resources/org/springframework/context/config/test-bar.properties
View File

@ -1,2 +1,2 @@
bar=foo
spam=maps
bar= foo\t
spam=\tmaps