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    • org.jasypt.spring31.xml.encryption.EncryptablePropertiesFactoryBean Maven / Gradle / Ivy

    There is a newer version: 1.9.3
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    /*
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   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.jasypt.spring31.xml.encryption;

import java.io.IOException;
import java.util.Properties;

import org.jasypt.encryption.StringEncryptor;
import org.jasypt.properties.EncryptableProperties;
import org.jasypt.util.text.TextEncryptor;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.support.PropertiesLoaderSupport;

/**
 * 
    
 *   Factory bean for creating encrptable properties objects from the encryption namespace
 *   elements. Do not use directly.
 * 
    
 * 
 * 
 * @since 1.9.0
 * 
 * @author Daniel Fernández
 * 
 */
public final class EncryptablePropertiesFactoryBean 
        extends PropertiesLoaderSupport
        implements FactoryBean, InitializingBean {

    private boolean singleton = true;
    private Properties singletonInstance;
    
    private Object encryptor = null;
    
    
    public EncryptablePropertiesFactoryBean() {
        super();
    }
    
    

    public final void setSingleton(boolean singleton) {
        this.singleton = singleton;
    }
    
    
    public final boolean isSingleton() {
        return this.singleton;
    }


    public void setEncryptor(final Object encryptor) {
        this.encryptor = encryptor;
    }



    public final void afterPropertiesSet() throws IOException {
        if (this.singleton) {
            this.singletonInstance = processEncryptable(mergeProperties());
        }
    }
    
    
    public final Object getObject() throws IOException {
        if (this.singleton) {
            return this.singletonInstance;
        }
        return processEncryptable(mergeProperties());
    }
    
    
    public Class getObjectType() {
        return EncryptableProperties.class;
    }

    
    
    private EncryptableProperties processEncryptable(final Properties props) {
        if (this.encryptor == null) {
            throw new IllegalArgumentException(
                    "\"encryptor\" property in EncryptableProperties definition cannot be null");
        }
        if (this.encryptor instanceof TextEncryptor) {
            final EncryptableProperties encryptableProperties = 
                    new EncryptableProperties((TextEncryptor)this.encryptor);
            encryptableProperties.putAll(props);
            return encryptableProperties;
        } else if (this.encryptor instanceof StringEncryptor) {
            final EncryptableProperties encryptableProperties = 
                    new EncryptableProperties((StringEncryptor)this.encryptor);
            encryptableProperties.putAll(props);
            return encryptableProperties;
        }
        throw new IllegalArgumentException(
                "\"encryptor\" property in EncryptableProperties definition must be either " +
                "an org.jasypt.util.text.TextEncryptor or an org.jasypt.encryption.StringEncryptor " +
                "object. An object of class " + this.encryptor.getClass().getName() + " has been " +
                "specified instead.");
    }
    
}

    
    
    
    

    




    
    
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