Example usage for org.springframework.integration.file FileReadingMessageSource FileReadingMessageSource

Introduction

In this page you can find the example usage for org.springframework.integration.file FileReadingMessageSource FileReadingMessageSource.

Prototype

public FileReadingMessageSource(@Nullable Comparator<File> receptionOrderComparator) 

Source Link

Document

Creates a FileReadingMessageSource with a PriorityBlockingQueue ordered with the passed in Comparator .

Usage

From source file:org.springframework.integration.file.config.FileReadingMessageSourceFactoryBean.java

private void initSource() {
    synchronized (this.initializationMonitor) {
        if (this.source != null) {
            return;
        }/*from  w  w w .  jav  a 2  s .  co m*/
        boolean comparatorSet = this.comparator != null;
        boolean queueSizeSet = this.queueSize != null;
        if (comparatorSet) {
            if (queueSizeSet) {
                logger.warn("'comparator' and 'queueSize' are mutually exclusive. Ignoring 'queueSize'");
            }
            this.source = new FileReadingMessageSource(this.comparator);
        } else if (queueSizeSet) {
            this.source = new FileReadingMessageSource(queueSize);
        } else {
            this.source = new FileReadingMessageSource();
        }
        this.source.setDirectory(this.directory);
        if (this.scanner != null) {
            this.source.setScanner(this.scanner);
        }
        if (this.filter != null) {
            if (this.locker == null) {
                this.source.setFilter(this.filter);
            } else {
                CompositeFileListFilter<File> compositeFileListFilter = new CompositeFileListFilter<File>();
                compositeFileListFilter.addFilter(this.filter);
                compositeFileListFilter.addFilter(this.locker);
                this.source.setFilter(compositeFileListFilter);
                this.source.setLocker(locker);
            }
        }
        if (this.scanEachPoll != null) {
            this.source.setScanEachPoll(this.scanEachPoll);
        }
        if (this.autoCreateDirectory != null) {
            this.source.setAutoCreateDirectory(this.autoCreateDirectory);
        }
        this.source.afterPropertiesSet();
    }
}

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