spring security InMemoryResource 源码
spring security InMemoryResource 代码
文件路径：/core/src/main/java/org/springframework/security/util/InMemoryResource.java
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.security.util;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Arrays;
import org.springframework.core.io.AbstractResource;
import org.springframework.util.Assert;
/**
* An in memory implementation of Spring's {@link org.springframework.core.io.Resource}
* interface.
* <p>
* Used to create a bean factory from an XML string, rather than a file.
* </p>
*
* @author Luke Taylor
*/
public class InMemoryResource extends AbstractResource {
private final byte[] source;
private final String description;
public InMemoryResource(String source) {
this(source.getBytes());
}
public InMemoryResource(byte[] source) {
this(source, null);
}
public InMemoryResource(byte[] source, String description) {
Assert.notNull(source, "source cannot be null");
this.source = source;
this.description = description;
}
@Override
public String getDescription() {
return this.description;
}
@Override
public InputStream getInputStream() {
return new ByteArrayInputStream(this.source);
}
@Override
public boolean equals(Object res) {
if (!(res instanceof InMemoryResource)) {
return false;
}
return Arrays.equals(this.source, ((InMemoryResource) res).source);
}
@Override
public int hashCode() {
return 1;
}
}
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