spring InputSourceEditor 源码
spring InputSourceEditor 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/propertyeditors/InputSourceEditor.java
/*
* Copyright 2002-2012 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
*
* https://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.beans.propertyeditors;
import java.beans.PropertyEditorSupport;
import java.io.IOException;
import org.xml.sax.InputSource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceEditor;
import org.springframework.util.Assert;
/**
* Editor for {@code org.xml.sax.InputSource}, converting from a
* Spring resource location String to a SAX InputSource object.
*
* <p>Supports Spring-style URL notation: any fully qualified standard URL
* ("file:", "http:", etc) and Spring's special "classpath:" pseudo-URL.
*
* @author Juergen Hoeller
* @since 3.0.3
* @see org.xml.sax.InputSource
* @see org.springframework.core.io.ResourceEditor
* @see org.springframework.core.io.ResourceLoader
* @see URLEditor
* @see FileEditor
*/
public class InputSourceEditor extends PropertyEditorSupport {
private final ResourceEditor resourceEditor;
/**
* Create a new InputSourceEditor,
* using the default ResourceEditor underneath.
*/
public InputSourceEditor() {
this.resourceEditor = new ResourceEditor();
}
/**
* Create a new InputSourceEditor,
* using the given ResourceEditor underneath.
* @param resourceEditor the ResourceEditor to use
*/
public InputSourceEditor(ResourceEditor resourceEditor) {
Assert.notNull(resourceEditor, "ResourceEditor must not be null");
this.resourceEditor = resourceEditor;
}
@Override
public void setAsText(String text) throws IllegalArgumentException {
this.resourceEditor.setAsText(text);
Resource resource = (Resource) this.resourceEditor.getValue();
try {
setValue(resource != null ? new InputSource(resource.getURL().toString()) : null);
}
catch (IOException ex) {
throw new IllegalArgumentException(
"Could not retrieve URL for " + resource + ": " + ex.getMessage());
}
}
@Override
public String getAsText() {
InputSource value = (InputSource) getValue();
return (value != null ? value.getSystemId() : "");
}
}
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