OAuthProperty.java

/**
 * http://auzll.iteye.com/
 */
package com.gengweibo.weibo;

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

import javax.servlet.http.HttpServletRequest;

import z.action.Context;

/**
 * oauth相关参数
 * 
 * @author auzll@msn.com
 * @since 2011-3-16
 */
public final class OAuthProperty {
    public static String getCallbackUrl() {
        String callback = "/execute.do?api=callback";

        Context context = Context.getActionContext();
        if (null != context) {
            HttpServletRequest request = context.getRequest();
            String url = request.getScheme() + "://" + request.getServerName();
            if (80 != request.getServerPort() && 443 != request.getServerPort()) {
                url += (":" + request.getServerPort());
            }
            url += (request.getContextPath() + callback);
            return url;
        }

        return callback;
    }

    private static final String OAUTH_PROPERTIES = "oauth.properties";

    /** 网易微博oauth key，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_KEY_163;

    /** 网易微博oauth secret，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_SECRET_163;

    /** 腾讯微博oauth key，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_KEY_QQ;

    /** 腾讯微博oauth secret，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_SECRET_QQ;

    /** 新浪微博oauth key，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_KEY_SINA;

    /** 新浪微博oauth secret，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_SECRET_SINA;

    /** 搜狐微博oauth key，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_KEY_SOHU;

    /** 搜狐微博oauth secret，从src目录下的oauth.properties加载 */
    public static final String CONSUMER_SECRET_SOHU;

    private static String trimAndGetProperty(Properties props, String key) {
        String value = props.getProperty(key);
        return null != value ? value.trim() : null;
    }

    static {
        InputStream is = null;
        try {
            is = Thread.currentThread().getContextClassLoader()
                    .getResourceAsStream(OAUTH_PROPERTIES);
            Properties props = new Properties();
            props.load(is);

            CONSUMER_KEY_163 = trimAndGetProperty(props, "CONSUMER_KEY_163");
            CONSUMER_SECRET_163 = trimAndGetProperty(props,
                    "CONSUMER_SECRET_163");

            CONSUMER_KEY_QQ = trimAndGetProperty(props, "CONSUMER_KEY_QQ");
            CONSUMER_SECRET_QQ = trimAndGetProperty(props, "CONSUMER_SECRET_QQ");

            CONSUMER_KEY_SINA = trimAndGetProperty(props, "CONSUMER_KEY_SINA");
            CONSUMER_SECRET_SINA = trimAndGetProperty(props,
                    "CONSUMER_SECRET_SINA");

            CONSUMER_KEY_SOHU = trimAndGetProperty(props, "CONSUMER_KEY_SOHU");
            CONSUMER_SECRET_SOHU = trimAndGetProperty(props,
                    "CONSUMER_SECRET_SOHU");

        } catch (IOException e) {
            throw new ExceptionInInitializerError(e);
        } finally {
            if (null != is) {
                try {
                    is.close();
                } catch (IOException e) {}
            }
        }
    }

}