com.jeesuite.spring.helper.EnvironmentHelper Maven / Gradle / Ivy
package com.jeesuite.spring.helper;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.Environment;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
import org.springframework.util.StringUtils;
import com.jeesuite.spring.InstanceFactory;
public class EnvironmentHelper {
private static Environment environment;
public static String getProperty(String key){
init();
return environment == null ? null : environment.getProperty(key);
}
public static void init() {
if(environment == null && InstanceFactory.isInitialized()){
synchronized (EnvironmentHelper.class) {
environment = InstanceFactory.getInstance(Environment.class);
}
}
}
public static boolean containsProperty(String key){
init();
return environment == null ? false : environment.containsProperty(key);
}
public static Map getAllProperties(String prefix){
init();
if(environment == null)return null;
MutablePropertySources propertySources = ((ConfigurableEnvironment)environment).getPropertySources();
Map properties = new LinkedHashMap();
for (PropertySource source : propertySources) {
if(source.getName().startsWith("servlet") || source.getName().startsWith("system")){
continue;
}
if (source instanceof EnumerablePropertySource) {
for (String name : ((EnumerablePropertySource) source) .getPropertyNames()) {
boolean match = StringUtils.isEmpty(prefix);
if(!match){
match = name.startsWith(prefix);
}
if(match){
Object value = source.getProperty(name);
if(value != null){
properties.put(name, value);
}
}
}
}
}
return Collections.unmodifiableMap(properties);
}
}