propertiessecuritymanager.java

一个简单的java邮件系统源码

package com.easyjf.web.interceptor.security;

import java.io.File;
import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

import com.easyjf.web.Globals;

public class PropertiesSecurityManager extends BaseSecurityManager {

	private static final String DEFAULT_URL2COND_PROPERTIES_FILE_NAME = "url2ConditionMap"
			+ ".properties";

	private static final String DEFAULT_PROPERTIES_PATH = Globals.APP_BASE_DIR
			+ Globals.DEFAULT_TEMPLATE_PATH.substring(1);

	private String propertiesPath;

	private String u2cFileName;

	private Properties url2ConditionProp;
	public PropertiesSecurityManager() throws SecurityException
	{
		super();
	}
	public String getU2cFileName() {
		return u2cFileName;
	}

	public void setU2cFileName(String fileName) {
		u2cFileName = fileName;
	}

	public String getPropertiesPath() {
		return propertiesPath;
	}

	public void setPropertiesPath(String propertiesPath) {
		this.propertiesPath = propertiesPath;
	}

	protected void init() throws SecurityException {
		initFile();
		loadProperties();
		registeMaps();
	}

	private void initFile() {
		if (this.url2ConditionProp == null) {
			this.url2ConditionProp = new Properties();
		}
		if (this.getPropertiesPath() == null) {
			this.setPropertiesPath(DEFAULT_PROPERTIES_PATH);
		}
		if (this.getU2cFileName() == null) {
			this.setU2cFileName(DEFAULT_URL2COND_PROPERTIES_FILE_NAME);
		}

	}

	private void loadProperties() throws SecurityException {
		File temp = new File(this.getPropertiesPath() + File.separator
				+ this.getU2cFileName());
		if (temp.exists()) {
			try {
				this.url2ConditionProp.load(new FileInputStream(temp));
			} catch (Exception e) {
				throw new SecurityException("load Security properties error");
			}
		}
	}

	private void registeMaps() throws SecurityException {
		Map temp = new HashMap();
		temp.putAll((Hashtable) this.url2ConditionProp);
		for (Iterator it = temp.keySet().iterator(); it.hasNext();) {
			String find = (String) it.next();
			String clazz = (String) temp.get(find);
			try {
				ICondition c = (ICondition) Class.forName(clazz).newInstance();
				registerCondition(find, c);
			} catch (Exception ex) {
				throw new SecurityException("instance condition error");
			}
		}
	}

}