de.intarsys.tools.authenticate.CachedPasswordProvider Maven / Gradle / Ivy

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The basic runtime tools and interfaces for intarsys components.

There is a newer version: 4.11

package de.intarsys.tools.authenticate;

import de.intarsys.tools.authenticate.IPasswordProvider;
import de.intarsys.tools.prompter.IPrompter;

public class CachedPasswordProvider implements IPasswordProvider, IPrompter {

	private char[] password;

	final private IPasswordProvider passwordProvider;

	public CachedPasswordProvider(IPasswordProvider passwordProvider) {
		super();
		this.passwordProvider = passwordProvider;
	}

	@Override
	public char[] getPassword() {
		if (password != null) {
			return password;
		}
		password = getPasswordProvider().getPassword();
		return password;
	}

	public IPasswordProvider getPasswordProvider() {
		return passwordProvider;
	}

	public void setMessage(String message) {
		if (getPasswordProvider() instanceof IPrompter) {
			((IPrompter) passwordProvider).setMessage(message);
		}
	}

	public void setTitle(String title) {
		if (getPasswordProvider() instanceof IPrompter) {
			((IPrompter) passwordProvider).setTitle(title);
		}
	}
}