Example usage for java.util EmptyStackException getLocalizedMessage

Introduction

In this page you can find the example usage for java.util EmptyStackException getLocalizedMessage.

Prototype

public String getLocalizedMessage() 

Source Link

Document

Creates a localized description of this throwable.

Usage

From source file:org.dspace.core.Context.java

/**
 * Restore the previous Authorisation System State. If the state was not
 * changed by the current caller a warning will be displayed in log. Use:
 * <code>// w  w w  . jav a  2s  . c  o m
 *     mycontext.turnOffAuthorisationSystem();
 *     some java code that require no authorisation check
 *     mycontext.restoreAuthSystemState(); 
 * </code> If Context debug is enabled, the correct sequence calling will be
 * checked and a warning will be displayed if not.
 */
public void restoreAuthSystemState() {
    Boolean previousState;
    try {
        previousState = authStateChangeHistory.pop();
    } catch (EmptyStackException ex) {
        log.warn(LogManager.getHeader(this, "restore_auth_sys_state",
                "not previous state info available " + ex.getLocalizedMessage()));
        previousState = Boolean.FALSE;
    }
    if (log.isDebugEnabled()) {
        Thread currThread = Thread.currentThread();
        StackTraceElement[] stackTrace = currThread.getStackTrace();
        String caller = stackTrace[stackTrace.length - 1].getClassName();

        String previousCaller = (String) authStateClassCallHistory.pop();

        // if previousCaller is not the current caller *only* log a warning
        if (!previousCaller.equals(caller)) {
            log.warn(LogManager.getHeader(this, "restore_auth_sys_state",
                    "Class: " + caller + " call restore but previous state change made by " + previousCaller));
        }
    }
    ignoreAuth = previousState.booleanValue();
}

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