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| package org.qedeq.kernel.log; |
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| import java.io.PrintStream; |
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| import java.util.ArrayList; |
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| import java.util.List; |
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| import org.qedeq.kernel.bo.module.ModuleProperties; |
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| public final class ModuleEventLog implements ModuleEventListener { |
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| private static ModuleEventLog instance = new ModuleEventLog(); |
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| private List loggers = new ArrayList(); |
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| public static final ModuleEventLog getInstance() {
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| return instance;
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| } |
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| private ModuleEventLog() {
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| } |
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| public final void addLog(final ModuleEventListener log) {
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| loggers.add(log);
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| } |
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| public final void addLog(final PrintStream out) {
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| final ModuleEventListener log = new DefaultModuleEventListener(out);
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| loggers.add(log);
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| } |
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| public void addModule(final ModuleProperties prop) {
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| for (int i = 0; i < loggers.size(); i++) {
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| ((ModuleEventListener) loggers.get(i)).addModule(prop);
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| } |
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| } |
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| public void stateChanged(final ModuleProperties prop) {
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| for (int i = 0; i < loggers.size(); i++) {
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| ((ModuleEventListener) loggers.get(i)).stateChanged(prop);
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| } |
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| } |
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| public void removeModule(final ModuleProperties prop) {
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| for (int i = 0; i < loggers.size(); i++) {
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| ((ModuleEventListener) loggers.get(i)).removeModule(prop);
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| } |
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| } |
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| } |