distributesservicepropertyhandler.java

intra_mart是日本NDD公司开发的著名企业应用解决方案中间件。集成了J2ee服务器

    public void init(PropertyParam[] params) throws PropertyHandlerException {

        String bundleName = null;

        if (params != null) {

            for (int i = 0; i < params.length; i++) {
                if (params[i].getName().equals(DEFAULT_BUNDLE_NAME_PARAM)) {
                    bundleName = params[i].getValue();
                }
            }
            // 僨僼僅儖僩偺Handler僋儔僗傪庢摼偟傑偡丅
            getDefaultHandler(params);

            // 傾僾儕働乕僔儑儞枅偺Handler僋儔僗傪庢摼偟傑偡丅
            getApplicationHandler(params);

        }

        if (bundleName == null) {
            bundleName = DEFAULT_BUNDLE_NAME;
        }

        setBundlePrefix(bundleName);

    }

    /**
     * Default偺Handler忣曬傪庢摼偟傑偡丅
     * 
     * @param params 弶婜僷儔儊乕僞
     */
    private void getDefaultHandler(PropertyParam[] params)
            throws PropertyHandlerException {

        List keys = new ArrayList();
        HashMap values = new HashMap();

        try {
            // "default"偱峣傝崬傒傑偡丅
            for (int i = 0; i < params.length; i++) {
                if (params[i].getName().indexOf(PARAM_DEFAULT) != -1) {
                    keys.add(params[i].getName());
                    values.put(params[i].getName(), params[i].getValue());
                }
            }

            setApplicationBundles(PARAM_DEFAULT, keys, values);

        } catch (Exception e) {
            throw new PropertyHandlerException();
        }
    }

    /**
     * Application枅偺Handler忣曬傪庢摼偟傑偡丅
     * 
     * @param params 弶婜僷儔儊乕僞
     */
    private void getApplicationHandler(PropertyParam[] params)
            throws PropertyHandlerException {

        List keys = new ArrayList();
        Map values = new HashMap();

        // "application"偱峣傝崬傒傑偡丅
        for (int i = 0; i < params.length; i++) {
            if (params[i].getName().indexOf(PARAM_APPLICATION) != -1) {
                keys.add(params[i].getName());
                values.put(params[i].getName(), params[i].getValue());
            }
        }

        // applicationID偺儕僗僩傪庢摼偟傑偡
        String[] appIds = getApplicationIdList(keys);

        // applicationID傪傕偲偵丄class丄property傪庢摼偟傑偡
        for (int i = 0; i < appIds.length; i++) {

            setApplicationBundles(appIds[i], keys, values);

        }

    }

    /**
     * Handler僋儔僗傪惗惉偟丄Map偵曐帩偟傑偡丅
     * 
     * @param id
     * @param list
     * @param map
     */
    private void setApplicationBundles(String id, List keys, Map values)
            throws PropertyHandlerException {

        // 僴儞僪儔僋儔僗柤傪庢摼偟傑偡丅
        String className = getApplicationHandlerClass(id, keys, values);

        Object obj = null;
        try {
            // 僋儔僗傪惗惉偟傑偡丅
            obj = Class.forName(className).newInstance();
        } catch (Exception ex) {
            throw new PropertyHandlerException();
        }

        // 僷儔儊乕僞傪庢摼偟傑偡丅
        PropertyParam[] params = getApplicationHandlerProperty(id, keys, values);

        // Handler僋儔僗傪惗惉偟Map偵曐帩偟傑偡丅
        Map returnMap = new HashMap();
        if (obj instanceof DefaultServicePropertyHandler) {

            DefaultServicePropertyHandler handler = (DefaultServicePropertyHandler) obj;
            handler.init(params);

            // Map偵曐帩偟傑偡丅
            this.bundles.put(id, handler);

        } else if (obj instanceof TextFileServicePropertyHandler) {

            TextFileServicePropertyHandler handler = (TextFileServicePropertyHandler) obj;
            handler.init(params);
            // Map偵曐帩偟傑偡丅
            this.bundles.put(id, handler);

        } else if (obj instanceof XmlServicePropertyHandler) {

            XmlServicePropertyHandler handler = (XmlServicePropertyHandler) obj;
            handler.init(params);
            // Map偵曐帩偟傑偡丅
            this.bundles.put(id, handler);

        }

    }

    /**
     * ApplicationID偺儕僗僩傪庢摼偟傑偡
     * 
     * @param params 弶婜僷儔儊乕僞
     */
    private String[] getApplicationIdList(List keys) {

        // applicationID偺儕僗僩傪庢摼偟傑偡
        HashSet set = new HashSet();
        for (int i = 0; i < keys.size(); i++) {
            String str = (String) keys.get(i);
            String[] paramArray = str.split("[.]");
            set.add(getApplications(paramArray));
        }

        return (String[]) set.toArray(new String[0]);

    }

    /**
     * ApplicationID偺儕僗僩傪庢摼偟傑偡
     * 
     * @param params 弶婜僷儔儊乕僞
     */
    private String getApplications(String[] paramArray) {

        String aplid = new String();
        int lastpos = 0;
        int firstpos = 0;

        if (paramArray[0].equals(PARAM_APPLICATION)) {
            firstpos = 1;
        }

        if (paramArray[paramArray.length - 1].equals(PARAM_APPLICATION_CLASS)) {
            lastpos = 1;
        } else if (paramArray[paramArray.length - 2]
                .equals(PARAM_APPLICATION_PARAM)
                && (paramArray[paramArray.length - 1].equals(PARAM_DYNAMIC)
                        || paramArray[paramArray.length - 1]
                                .equals(PARAM_FILE_DIR) || paramArray[paramArray.length - 1]
                        .equals(PARAM_BUNDLE))) {
            lastpos = 2;
        }

        for (int i = firstpos; i < paramArray.length - lastpos; i++) {
            if (i == firstpos) {
                aplid += paramArray[i];
            } else {
                aplid += "." + paramArray[i];
            }
        }

        return aplid;

    }

    /**
     * Handler僋儔僗柤傪庢摼偟傑偡丅
     * 
     * @param applicationId
     * @param list
     * @param map
     * @return
     */
    private String getApplicationHandlerClass(String id, List list, Map map) {

        Iterator listite = list.iterator();
        String name = new String();

        // applicationId偑堦抳偡傞傕偺偩偗庢傝弌偟傑偡
        while (listite.hasNext()) {

            String key = (String) listite.next();

            // "<applicationID>.class"偺抣傪庢摼偟傑偡丅
            if (key.indexOf(id + "." + PARAM_APPLICATION_CLASS) != -1) {
                name = (String) map.get(key);
            }

        }

        return name;

    }

    /**
     * Handler偵堷偒搉偡僷儔儊乕僞傪庢摼偟傑偡丅
     * 
     * @param applicationId
     * @param list
     * @param map
     * @return
     */
    private PropertyParam[] getApplicationHandlerProperty(String applicationId,
            List list, Map map) {

        Iterator iterator = list.iterator();
        List keys = new ArrayList();
        Map properties = new HashMap();

        while (iterator.hasNext()) {

            String key = (String) iterator.next();

            // "<applicationID>.param.dynamic"偺抣傪庢摼偟傑偡丅
            if (key.indexOf(applicationId + "." + PARAM_APPLICATION_PARAM + "."
                    + PARAM_DYNAMIC) != -1) {
                keys.add(PARAM_DYNAMIC);
                properties.put(PARAM_DYNAMIC, (String) map.get(key));

                // "<applicationID>.param.file_dir"偺抣傪庢摼偟傑偡丅
            } else if (key.indexOf(applicationId + "."
                    + PARAM_APPLICATION_PARAM + "." + PARAM_FILE_DIR) != -1) {
                keys.add(PARAM_FILE_DIR);
                properties.put(PARAM_FILE_DIR, (String) map.get(key));

                // "<applicationID>.param.bundle"偺抣傪庢摼偟傑偡丅
            } else if (key.indexOf(applicationId + "."
                    + PARAM_APPLICATION_PARAM + "." + PARAM_BUNDLE) != -1) {
                keys.add(PARAM_BUNDLE);
                properties.put(PARAM_BUNDLE, (String) map.get(key));
            }

        }

        // PropertyParam傪惗惉偟傑偡丅
        PropertyParam[] param = new PropertyParam[keys.size()];
        for (int i = 0; i < keys.size(); i++) {
            param[i] = new PropertyParam();
            param[i].setName((String) keys.get(i));
            param[i].setValue((String) properties.get(keys.get(i)));
        }

        return param;

    }

    /**
     * 僾儘僷僥傿偺摦揑撉傒崬傒偑壜擻偐偳偆偐挷傋傑偡丅 偙偺僋儔僗偱偼偙偺儊僜僢僪偼忢偵false傪曉偟傑偡丅
     * 
     * @return 忢偵false
     * @throws ServicePropertyException 僠僃僢僋帪偵椺奜偑敪惗
     */
    public boolean isDynamic() throws ServicePropertyException {
        return false;
    }

    /**
     * 僋儔僀傾儞僩偺僄儞僐乕僪傪庢摼偟傑偡丅
     * 
     * @return 僋儔僀傾儞僩偺僄儞僐乕僨傿儞僌
     * @throws ServicePropertyException 僋儔僀傾儞僩偺僄儞僐乕僪偺庢摼帪偵椺奜偑敪惗
     */
    public String getClientEncoding() throws ServicePropertyException {
        return ResourceBundleServicePropertyHandlerUtil
                .getClientEncoding(getCommonBundle(new Locale("", "")));
    }

    /**
     * 僋儔僀傾儞僩偺僄儞僐乕僪傪庢摼偟傑偡丅
     * 
     * @return 僋儔僀傾儞僩偺僄儞僐乕僨傿儞僌
     * @throws ServicePropertyException 僋儔僀傾儞僩偺僄儞僐乕僪偺庢摼帪偵椺奜偑敪惗
     */
    public Locale getClientLocale() throws ServicePropertyException {
        return ResourceBundleServicePropertyHandlerUtil
                .getClientLocale(getCommonBundle(new Locale("", "")));
    }