76 lines
1.9 KiB
Java
76 lines
1.9 KiB
Java
package org.gcube.common.authorization.library;
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import java.util.concurrent.Callable;
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import org.gcube.common.authorization.library.provider.AuthorizationProvider;
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import org.gcube.common.authorization.library.provider.UserInfo;
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import org.gcube.common.scope.api.ScopeProvider;
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public class AuthorizedTasks {
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/**
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* Binds a {@link Callable} task to the current scope and user.
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* @param task the task
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* @return an equivalent {@link Callable} task bound to the current scope and user
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*/
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static public <V> Callable<V> bind(final Callable<V> task) {
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final String callScope = ScopeProvider.instance.get();
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final UserInfo userCall = AuthorizationProvider.instance.get();
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return new Callable<V>() {
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@Override
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public V call() throws Exception {
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//bind underlying thread to callscope
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ScopeProvider.instance.set(callScope);
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//bind underlying thread to call user
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AuthorizationProvider.instance.set(userCall);
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try {
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return task.call();
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}
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finally {
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ScopeProvider.instance.reset();
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AuthorizationProvider.instance.reset();
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}
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}
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};
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}
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/**
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* Binds a {@link Runnable} task to the current scope and user.
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* @param task the task
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* @return an equivalent {@link Runnable} task bound to the current scope and user
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*/
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static public <V> Runnable bind(final Runnable task) {
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final String callScope = ScopeProvider.instance.get();
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final UserInfo userCall = AuthorizationProvider.instance.get();
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return new Runnable() {
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@Override
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public void run() {
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//bind underlying thread to callscope
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ScopeProvider.instance.set(callScope);
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//bind underlying thread to call user
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AuthorizationProvider.instance.set(userCall);
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try {
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task.run();
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}
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finally {
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ScopeProvider.instance.reset();
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AuthorizationProvider.instance.reset();
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}
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}
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};
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}
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}
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