Example usage for org.apache.commons.lang StringUtils defaultIfEmpty

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils defaultIfEmpty.

Prototype

public static String defaultIfEmpty(String str, String defaultStr) 

Source Link

Document

Returns either the passed in String, or if the String is empty or null, the value of defaultStr.

Usage

From source file:net.ymate.platform.commons.i18n.I18N.java

/**
 * @param resourceName ???//from w  ww  .  ja  va  2s.com
 * @param key 
 * @param defaultValue 
 * @return ????key
 */
public static String load(String resourceName, String key, String defaultValue) {
    Map<String, Properties> _cache = __RESOURCES_CAHCES.get(current());
    Properties _prop = _cache != null ? _cache.get(resourceName) : null;
    if (_prop == null) {
        if (__EVENT_HANDLER != null) {
            try {
                List<String> _localeResourceNames = resourceNames(current(), resourceName);
                InputStream _inputStream = null;
                for (String _localeResourceName : _localeResourceNames) {
                    _inputStream = __EVENT_HANDLER.onLoadProperties(_localeResourceName);
                    if (_inputStream != null) {
                        break;
                    }
                }
                if (_inputStream == null) {
                    for (String _localeResourceName : _localeResourceNames) {
                        _inputStream = I18N.class.getClassLoader().getResourceAsStream(_localeResourceName);
                        if (_inputStream != null) {
                            break;
                        }
                    }
                }
                if (_inputStream != null) {
                    _prop = new Properties();
                    _prop.load(_inputStream);
                }
                if (_prop != null && !_prop.isEmpty()) {
                    if (_cache == null) {
                        __RESOURCES_CAHCES.put(current(), new ConcurrentHashMap<String, Properties>());
                    }
                    __RESOURCES_CAHCES.get(current()).put(resourceName, _prop);
                }
            } catch (IOException e) {
                _LOG.warn("", RuntimeUtils.unwrapThrow(e));
            }
        }
    }
    String _returnValue = null;
    if (_prop != null) {
        _returnValue = _prop.getProperty(key, defaultValue);
    }
    return StringUtils.defaultIfEmpty(_returnValue, defaultValue);
}

---

From source file:net.ymate.platform.configuration.impl.DefaultConfigurationProvider.java

public String getString(String key, String defaultValue) {
    return StringUtils.defaultIfEmpty(getString(key), defaultValue);
}

---

From source file:net.ymate.platform.configuration.impl.DefaultConfigurationProvider.java

public String getString(String category, String key, String defaultValue) {
    XMLConfigFileHandler.XMLCategory _category = __config.getCategory(category);
    if (_category == null) {
        return null;
    }//from  ww  w.  j av  a2 s . co m
    XMLConfigFileHandler.XMLProperty _prop = _category.getProperty(key);
    return StringUtils.defaultIfEmpty(_prop == null ? null : _prop.getContent(), defaultValue);
}

---

From source file:net.ymate.platform.configuration.impl.DefaultModuleCfg.java

@SuppressWarnings("unchecked")
public DefaultModuleCfg(YMP owner) {
    Map<String, String> _moduleCfgs = owner.getConfig().getModuleConfigs(IConfig.MODULE_NAME);
    ////from www . ja v a 2s  .c om
    this.configHome = RuntimeUtils
            .replaceEnvVariable(StringUtils.defaultIfEmpty(_moduleCfgs.get("config_home"), "${root}"));
    //
    this.projectName = _moduleCfgs.get("project_name");
    this.moduleName = _moduleCfgs.get("module_name");
    //
    try {
        if (StringUtils.isNotBlank(_moduleCfgs.get("provider_class"))) {
            this.providerClass = (Class<? extends IConfigurationProvider>) ClassUtils
                    .loadClass(_moduleCfgs.get("provider_class"), this.getClass());
        } else {
            this.providerClass = DefaultConfigurationProvider.class;
        }
    } catch (Exception e) {
        this.providerClass = DefaultConfigurationProvider.class;
    }
}

---

From source file:net.ymate.platform.core.i18n.I18N.java

/**
 * @param resourceName ???/*from w  w w  .ja  v a 2  s.  c o  m*/
 * @param key          
 * @param defaultValue 
 * @return ????key
 */
public static String load(String resourceName, String key, String defaultValue) {
    Locale _local = current();
    Map<String, Properties> _cache = __RESOURCES_CAHCES.get(_local);
    Properties _prop = _cache != null ? _cache.get(resourceName) : null;
    if (_prop == null) {
        if (__EVENT_HANDLER != null) {
            try {
                List<String> _localeResourceNames = __doGetResourceNames(_local, resourceName);
                InputStream _inputStream = null;
                for (String _localeResourceName : _localeResourceNames) {
                    _inputStream = __EVENT_HANDLER.onLoad(_localeResourceName);
                    if (_inputStream != null) {
                        _prop = new Properties();
                        _prop.load(_inputStream);
                        break;
                    }
                }
                if (_prop != null && !_prop.isEmpty()) {
                    if (_cache == null) {
                        __RESOURCES_CAHCES.put(_local, new ConcurrentHashMap<String, Properties>());
                    }
                    __RESOURCES_CAHCES.get(_local).put(resourceName, _prop);
                }
            } catch (IOException e) {
                _LOG.warn("", RuntimeUtils.unwrapThrow(e));
            }
        }
    }
    String _returnValue = null;
    if (_prop != null) {
        _returnValue = _prop.getProperty(key, defaultValue);
    } else {
        try {
            _returnValue = ResourceBundle.getBundle(resourceName, _local).getString(key);
        } catch (Exception ignored) {
        }
    }
    return StringUtils.defaultIfEmpty(_returnValue, defaultValue);
}

---

From source file:net.ymate.platform.extra.scaffold.TomcatServScaffold.java

/**
 * ???//from w  ww .j  a  v  a  2  s  .  c  om
 */
public TomcatServScaffold() {
    // ???
    __FREEMARKER_CFG = new Configuration();
    __FREEMARKER_CFG.setClassForTemplateLoading(this.getClass(), "/");
    __FREEMARKER_CFG.setObjectWrapper(new DefaultObjectWrapper());
    __FREEMARKER_CFG.setDefaultEncoding("UTF-8");
    //
    __catalinaHome = System.getProperty(__PARAM_CATALINA_HOME);
    if (StringUtils.isBlank(__catalinaHome)) {
        throw new NullArgumentException(__PARAM_CATALINA_HOME);
    }
    __properties.put("catalina_home", __catalinaHome);
    //
    __catalinaBase = System.getProperty(__PARAM_CATALINA_BASE);
    if (StringUtils.isBlank(__catalinaBase)) {
        throw new NullArgumentException(__PARAM_CATALINA_BASE);
    }
    __properties.put("catalina_base", __catalinaBase);
    //
    __tomcatVersion = System.getProperty(__PARAM_TOMCAT_VERSION);
    if (StringUtils.isBlank(__tomcatVersion) || !(__tomcatVersion.equals("6") || __tomcatVersion.equals("7"))) {
        throw new IllegalArgumentException(__PARAM_TOMCAT_VERSION);
    }
    __properties.put("tomcat_version", __tomcatVersion);
    //
    String _hostName = System.getProperty(__PARAM_HOST_NAME);
    if (StringUtils.isBlank(_hostName)) {
        throw new NullArgumentException(__PARAM_HOST_NAME);
    }
    __properties.put("host_name", _hostName);
    __properties.put("host_alias", StringUtils.defaultIfEmpty(System.getProperty(__PARAM_HOST_ALIAS), ""));

    __properties.put("website_root_path", new File(__catalinaBase, "webapps/ROOT").getPath());
    //
    String _serviceName = System.getProperty(__PARAM_SERVICE_NAME);
    if (StringUtils.isBlank(_serviceName)) {
        throw new NullArgumentException(__PARAM_SERVICE_NAME);
    }
    __properties.put("service_name", _serviceName);
    //
    String _serverPort = System.getProperty(__PARAM_SERVER_PORT);
    if (StringUtils.isBlank(_serverPort)) {
        throw new NullArgumentException(__PARAM_SERVER_PORT);
    }
    if (!StringUtils.isNumeric(_serverPort)) {
        throw new IllegalArgumentException(__PARAM_SERVER_PORT);
    }
    __properties.put("server_port", _serverPort);
    //
    String _connectorPort = System.getProperty(__PARAM_CONNECTOR_PORT);
    if (StringUtils.isBlank(_connectorPort)) {
        throw new NullArgumentException(__PARAM_CONNECTOR_PORT);
    }
    if (!StringUtils.isNumeric(_connectorPort)) {
        throw new IllegalArgumentException(__PARAM_CONNECTOR_PORT);
    }
    __properties.put("connector_port", _connectorPort);
    //
    String _redirectPort = System.getProperty(__PARAM_REDIRECT_PORT);
    if (StringUtils.isBlank(_redirectPort)) {
        throw new NullArgumentException(__PARAM_REDIRECT_PORT);
    }
    if (!StringUtils.isNumeric(_redirectPort)) {
        throw new IllegalArgumentException(__PARAM_REDIRECT_PORT);
    }
    __properties.put("redirect_port", _redirectPort);
    //
    __properties.put("ajp_host", StringUtils.defaultIfEmpty(System.getProperty(__PARAM_AJP_HOST), "localhost"));
    //
    String _ajpPort = System.getProperty(__PARAM_AJP_PORT);
    if (StringUtils.isBlank(_ajpPort)) {
        throw new NullArgumentException(__PARAM_AJP_PORT);
    }
    if (!StringUtils.isNumeric(_ajpPort)) {
        throw new IllegalArgumentException(__PARAM_AJP_PORT);
    }
    __properties.put("ajp_port", _ajpPort);
}

---

From source file:net.ymate.platform.extra.scaffold.TomcatServScaffold.java

private void __doWriterTargetFile(String targetFileName, String tmplFile, Map<String, Object> properties) {
    Writer _outWriter = null;/*from   ww w. jav a2s .c o  m*/
    try {
        File _outputFile = new File(this.__catalinaBase, targetFileName);
        _outWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(_outputFile), StringUtils
                .defaultIfEmpty(__FREEMARKER_CFG.getOutputEncoding(), __FREEMARKER_CFG.getDefaultEncoding())));
        Template _template = __FREEMARKER_CFG.getTemplate(__TEMPLATE_ROOT_PATH + tmplFile);
        _template.process(properties, _outWriter);
        System.out.println("Output file: " + _outputFile);
    } catch (Exception e) {
        e.printStackTrace(System.err);
    } finally {
        if (_outWriter != null) {
            try {
                _outWriter.flush();
                _outWriter.close();
            } catch (IOException e) {
            }
        }
    }
}

---

From source file:net.ymate.platform.module.cache.CachesModule.java

@Override
public void initialize(final Map<String, String> moduleCfgs) throws Exception {
    if (!Caches.getInstance().isInited()) {
        Caches.getInstance().initialize(new ICacheConfig() {
            public ICacheProvider getInternalProviderClass() {
                String _providerImpl = StringUtils.defaultIfEmpty(moduleCfgs.get("internal_provider_impl"),
                        "ehcache");
                return ClassUtils.impl(StringUtils
                        .defaultIfEmpty(Caches.__INTERNAL_PROVIDER_CLASS.get(_providerImpl), _providerImpl),
                        ICacheProvider.class, Caches.class);
            }/* w w  w .  j a va  2 s  .  com*/

            public ICacheProvider getExternalProviderClass() {
                return ClassUtils.impl(moduleCfgs.get("external_provider_impl"), ICacheProvider.class,
                        Caches.class);
            }

            public IObjectSerializer getObjectSerializerClass() {
                return ClassUtils.impl(StringUtils.defaultIfEmpty(moduleCfgs.get("serializer_impl"),
                        Caches.__SERIALIZER_CLASS.get("java")), IObjectSerializer.class, Caches.class);
            }

            public ICacheEventListener getCacheEventListenerClass() {
                return ClassUtils.impl(moduleCfgs.get("event_listener_impl"), ICacheEventListener.class,
                        Caches.class);
            }
        });
    }
}

---

From source file:net.ymate.platform.module.ConfigModule.java

public void initialize(final Map<String, String> moduleCfgs) throws Exception {
    Cfgs.initialize(new ICfgConfig() {

        public String getConfigHome() {
            String _configHomeF = StringUtils.defaultIfEmpty(moduleCfgs.get("config_home"), "${root}");
            if (_configHomeF.equalsIgnoreCase("${root}")) {
                _configHomeF = RuntimeUtils.getRootPath();
            }/*from  w w w .  j a  va 2 s  . c  o m*/
            return _configHomeF;
        }

        public String getProjectName() {
            return moduleCfgs.get("project_name");
        }

        public String getModuleName() {
            return moduleCfgs.get("module_name");
        }

        public IConfigurationProvider getConfigurationProviderClassImpl() {
            IConfigurationProvider __provider = ClassUtils.impl(StringUtils
                    .defaultIfEmpty(moduleCfgs.get("provider_impl_class"), JConfigProvider.class.getName()),
                    IConfigurationProvider.class, ConfigModule.class);
            return __provider;
        }

    });
}

---

From source file:net.ymate.platform.module.JdbcModule.java

public void initialize(final Map<String, String> moduleCfgs) throws Exception {
    final boolean _showSql = new BlurObject(moduleCfgs.get("base.show_sql")).toBooleanValue();
    final Set<JdbcDataSourceCfgMeta> _metas = new HashSet<JdbcDataSourceCfgMeta>();
    for (String _name : StringUtils.split(StringUtils
            .defaultIfEmpty(StringUtils.trimToEmpty(moduleCfgs.get("base.datasource_list")), "default"), "|")) {
        String _adaptorClass = moduleCfgs.get("datasource." + _name + ".adapter_class");
        String _driverClass = moduleCfgs.get("datasource." + _name + ".driver_class");
        String _connectionUrl = moduleCfgs.get("datasource." + _name + ".connection_url");
        String _userName = moduleCfgs.get("datasource." + _name + ".username");
        String _password = moduleCfgs.get("datasource." + _name + ".password");
        ////www  .  j ava2s . co m
        Map<String, String> _params = new HashMap<String, String>();
        String _paramKey = "datasource." + _name + ".params.";
        for (String _cfgKey : moduleCfgs.keySet()) {
            if (_cfgKey.startsWith(_paramKey)) {
                _params.put(StringUtils.substringAfter(_cfgKey, _paramKey), moduleCfgs.get(_cfgKey));
            }
        }
        _metas.add(new JdbcDataSourceCfgMeta(_name, _adaptorClass, _driverClass, _connectionUrl, _userName,
                _password, _params));
    }
    JDBC.initialize(new IJdbcConfig() {

        public boolean isShowSql() {
            return _showSql;
        }

        public String getTablePrefix() {
            return moduleCfgs.get("base.table_prefix");
        }

        public String getDefaultDataSourceName() {
            return moduleCfgs.get("base.datasource_default");
        }

        public String[] getRepositoryPackages() {
            return StringUtils.split(moduleCfgs.get("base.repository_packages"), "|");
        }

        public Set<JdbcDataSourceCfgMeta> getDataSourceCfgMetas() {
            return _metas;
        }
    });
}

---

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