com.sun.jersey.server.impl.application.CloseableServiceFactory Maven / Gradle / Ivy
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package com.sun.jersey.server.impl.application;
import com.sun.jersey.spi.CloseableService;
import com.sun.jersey.api.core.HttpContext;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.spi.inject.Injectable;
import com.sun.jersey.spi.inject.InjectableProvider;
import java.io.Closeable;
import java.lang.reflect.Type;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.core.Context;
/**
*
* @author paulsandoz
*/
public class CloseableServiceFactory implements
InjectableProvider, Injectable, CloseableService {
private static final Logger LOGGER = Logger.getLogger(CloseableServiceFactory.class.getName());
private final HttpContext context;
public CloseableServiceFactory(@Context HttpContext context) {
this.context = context;
}
// InjectableProvider
public ComponentScope getScope() {
return ComponentScope.Singleton;
}
public Injectable getInjectable(ComponentContext ic, Context a, Type c) {
if (c != CloseableService.class)
return null;
return this;
}
// Injectable
public CloseableService getValue() {
return this;
}
// CloseableService
public void add(Closeable c) {
Set s = (Set)context.getProperties().
get(CloseableServiceFactory.class.getName());
if (s == null) {
s = new HashSet();
context.getProperties().put(CloseableServiceFactory.class.getName(), s);
}
s.add(c);
}
public void close(HttpContext context) {
Set s = (Set)context.getProperties().
get(CloseableServiceFactory.class.getName());
if (s != null) {
for (Closeable c : s) {
try {
c.close();
} catch (Exception ex) {
LOGGER.log(Level.SEVERE, "Unable to close", ex);
}
}
}
}
}