Example usage for org.springframework.batch.item.xml.stax UnopenedElementClosingEventWriter UnopenedElementClosingEventWriter

Introduction

In this page you can find the example usage for org.springframework.batch.item.xml.stax UnopenedElementClosingEventWriter UnopenedElementClosingEventWriter.

Prototype

public UnopenedElementClosingEventWriter(XMLEventWriter wrappedEventWriter, Writer ioWriter,
            List<QName> unopenedElements) 

Source Link

Usage

From source file:org.springframework.batch.item.xml.StaxEventItemWriter.java

/**
 * Flush and close the output source.//from w  w w. ja v a2s .com
 * 
 * @see org.springframework.batch.item.ItemStream#close()
 */
@Override
public void close() {
    super.close();

    XMLEventFactory factory = createXmlEventFactory();
    try {
        delegateEventWriter.add(factory.createCharacters(""));
    } catch (XMLStreamException e) {
        log.error(e);
    }

    try {
        if (footerCallback != null) {
            XMLEventWriter footerCallbackWriter = delegateEventWriter;
            if (restarted && !unclosedHeaderCallbackElements.isEmpty()) {
                footerCallbackWriter = new UnopenedElementClosingEventWriter(delegateEventWriter,
                        bufferedWriter, unclosedHeaderCallbackElements);
            }
            footerCallback.write(footerCallbackWriter);
        }
        delegateEventWriter.flush();
        endDocument(delegateEventWriter);
    } catch (IOException e) {
        throw new ItemStreamException("Failed to write footer items", e);
    } catch (XMLStreamException e) {
        throw new ItemStreamException("Failed to write end document tag", e);
    } finally {

        try {
            delegateEventWriter.close();
        } catch (XMLStreamException e) {
            log.error("Unable to close file resource: [" + resource + "] " + e);
        } finally {
            try {
                bufferedWriter.close();
            } catch (IOException e) {
                log.error("Unable to close file resource: [" + resource + "] " + e);
            } finally {
                if (!transactional) {
                    closeStream();
                }
            }
        }
        if (currentRecordCount == 0 && shouldDeleteIfEmpty) {
            try {
                resource.getFile().delete();
            } catch (IOException e) {
                throw new ItemStreamException("Failed to delete empty file on close", e);
            }
        }
    }

    this.initialized = false;
}

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