org.springframework.core.io.support.ResourceArrayPropertyEditor Maven / Gradle / Ivy
/*
* Copyright 2002-2005 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 org.springframework.core.io.support;
import java.beans.PropertyEditorSupport;
import java.io.IOException;
import org.springframework.util.SystemPropertyUtils;
/**
* Editor for Resource descriptor arrays, to automatically convert String
* location patterns (e.g. "file:C:/my*.txt" or "classpath*:myfile.txt")
* to Resource array properties.
*
* The path may contain ${...} placeholders, to be resolved as
* system properties: e.g. ${user.dir}.
*
*
Delegates to a ResourcePatternResolver, by default a
* PathMatchingResourcePatternResolver.
*
* @author Juergen Hoeller
* @since 1.1.2
* @see org.springframework.core.io.Resource
* @see ResourcePatternResolver
* @see PathMatchingResourcePatternResolver
* @see org.springframework.util.SystemPropertyUtils#resolvePlaceholders
* @see System#getProperty(String)
*/
public class ResourceArrayPropertyEditor extends PropertyEditorSupport {
private final ResourcePatternResolver resourcePatternResolver;
/**
* Create a new ResourceArrayPropertyEditor with a default
* PathMatchingResourcePatternResolver.
* @see PathMatchingResourcePatternResolver
*/
public ResourceArrayPropertyEditor() {
this.resourcePatternResolver = new PathMatchingResourcePatternResolver();
}
/**
* Create a new ResourceArrayPropertyEditor with the given ResourcePatternResolver.
* @param resourcePatternResolver the ResourcePatternResolver to use
*/
public ResourceArrayPropertyEditor(ResourcePatternResolver resourcePatternResolver) {
this.resourcePatternResolver = resourcePatternResolver;
}
public void setAsText(String text) {
String patternToUse = resolvePath(text).trim();
try {
setValue(this.resourcePatternResolver.getResources(patternToUse));
}
catch (IOException ex) {
throw new IllegalArgumentException(
"Could not resolve resource location pattern [" + patternToUse + "]: " + ex.getMessage());
}
}
/**
* Resolve the given path, replacing placeholders with
* corresponding system property values if necessary.
* @param path the original file path
* @return the resolved file path
* @see org.springframework.util.SystemPropertyUtils#resolvePlaceholders
*/
protected String resolvePath(String path) {
return SystemPropertyUtils.resolvePlaceholders(path);
}
}