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Support XML properties in ResourcePropertySource

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JDK 5 introduced an XML-based properties file syntax. This commit
ensures that when such files are supplied as the underlying resource
for a ResourcePropertySource instance, they are routed appropriately
to Properties#loadFromXML as opposed to Properties#load.

Issue: SPR-9896
This commit is contained in:
Chris Beams
2013-01-22 14:14:15 +01:00
parent 2a41de00e3
commit 3a626f9319
3 changed files with 31 additions and 4 deletions
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16
spring-core/src/main/java/org/springframework/core/io/support/ResourcePropertySource.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2011 the original author or authors.
* Copyright 2002-2013 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.
@@ -28,7 +28,11 @@ import org.springframework.util.StringUtils;
/**
* Subclass of {@link PropertiesPropertySource} that loads a {@link Properties}
* object from a given {@link org.springframework.core.io.Resource} or resource location such as
* {@code "classpath:/com/myco/foo.properties"} or {@code "file:/path/to/file.properties"}.
* {@code "classpath:/com/myco/foo.properties"} or {@code "file:/path/to/file.xml"}.
* Both traditional and XML-based properties file formats are supported, however in order
* for XML processing to take effect, the underlying {@code Resource}'s
* {@link org.springframework.core.io.Resource#getFilename() getFilename()} method must
* return non-{@code null} and end in ".xml".
*
* @author Chris Beams
* @since 3.1
@@ -99,7 +103,13 @@ public class ResourcePropertySource extends PropertiesPropertySource {
private static Properties loadPropertiesForResource(Resource resource) throws IOException {
Properties props = new Properties();
InputStream is = resource.getInputStream();
props.load(is);
String filename = resource.getFilename();
if (filename != null && filename.endsWith(".xml")) {
props.loadFromXML(is);
}
else {
props.load(is);
}
try {
is.close();
} catch (IOException ex) {