com.clican.pluto.common.bean.PropertyIntialHashMap.java Source code

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Here is the source code for com.clican.pluto.common.bean.PropertyIntialHashMap.java

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/**
 * The Clican-Pluto software suit is Copyright 2009, Clican Company
 * and individual contributors, and is licensed under the GNU LGPL.
 *
 * @author wezhang
 *
 */
package com.clican.pluto.common.bean;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class PropertyIntialHashMap<K, V> extends HashMap<K, V> implements ApplicationContextAware {

    /**
     * 
     */
    private static final long serialVersionUID = 3312811089454335428L;

    private String propertyStr;

    private ApplicationContext context;

    public PropertyIntialHashMap() {

    }

    public PropertyIntialHashMap(String propertyStr) {
        if (StringUtils.isEmpty(propertyStr)) {
            throw new IllegalArgumentException(
                    "The initial property must like 'a'=>{'a1','a2','a3'}; 'b'=>{'b1','b2'}; 'c'=>{}; d=>{d1,d2,d3}; 'e'=>'e1'; f=f1. the value is in '' will be convert to string, the value is not in '' will be convert as a spring bean name");
        }
        this.propertyStr = propertyStr;
    }

    public String getPropertyStr() {
        return propertyStr;
    }

    public void setPropertyStr(String propertyStr) {
        if (StringUtils.isEmpty(propertyStr)) {
            throw new IllegalArgumentException(
                    "The initial property must like 'a'=>{'a1','a2','a3'}; 'b'=>{'b1','b2'}; 'c'=>{}; d=>{d1,d2,d3}; 'e'=>'e1'; f=f1. the value is in '' will be convert to string, the value is not in '' will be convert as a spring bean name");
        }
        this.propertyStr = propertyStr;
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.context = applicationContext;
    }

    @SuppressWarnings("unchecked")
    public void initProperty() {

        String[] entries = propertyStr.split(";");
        for (String entry : entries) {
            try {
                String[] str = entry.split("=>");
                Object key = str[0].trim();
                if (((String) key).indexOf("'") == -1) {
                    key = context.getBean((String) key);
                } else {
                    key = ((String) key).replaceAll("\\'", "").trim();
                }
                Object value = null;
                if (str[1].indexOf("{") != -1 && str[1].indexOf("}") != -1) {
                    value = new ArrayList<Object>();
                    String[] values = str[1].replaceAll("\\{", "").replaceAll("\\}", "").split(",");
                    for (String v : values) {
                        v = v.trim();
                        if (v.indexOf("'") == -1) {
                            if (StringUtils.isNumeric(v)) {
                                ((List<Object>) value).add(new Long(v));
                            }
                            ((List<Object>) value).add(context.getBean(v));
                        } else {
                            v = v.replaceAll("\\'", "").trim();
                            ((List<Object>) value).add(v);
                        }
                    }
                } else {
                    value = str[1].trim();
                    if (((String) value).indexOf("'") == -1) {
                        if (StringUtils.isNumeric(value.toString())) {
                            ((List<Object>) value).add(new Long(value.toString()));
                        }
                        value = context.getBean((String) value);
                    } else {
                        value = ((String) value).replaceAll("\\'", "").trim();
                    }
                }
                put((K) key, (V) value);
            } catch (Exception e) {
                throw new IllegalArgumentException("Initial property error,[" + entry
                        + "]The initial property must like 'a'=>{'a1','a2','a3'}, 'b'=>{'b1','b2'}, 'c'=>{}, d=>{d1,d2,d3}, 'e'=>'e1', f=f1. the value is in '' will be convert to string, the value is not in '' will be convert as a spring bean name",
                        e);
            }
        }
    }
}

// $Id$