Example usage for org.springframework.batch.item ItemStreamException ItemStreamException

Introduction

In this page you can find the example usage for org.springframework.batch.item ItemStreamException ItemStreamException.

Prototype

public ItemStreamException(String msg, Throwable nested) 

Source Link

Document

Constructs a new instance with a message and nested exception.

Usage

From source file:lcn.module.batch.web.guide.support.ExPartitionFlatFileItemWriter.java

/**
 * Close  //ww w  . j  a va  2  s .c  o  m
 * state ? ? fileCount ? ?   state Close 
 *  ?  ? synchronized  ? 
 * @see ItemStream#close()
 */
public synchronized void close() {
    fileCount--; // increment for close Counting

    if (state != null && fileCount == 0) {
        try {

            if (footerCallback != null && state.outputBufferedWriter != null) {
                footerCallback.writeFooter(state.outputBufferedWriter);
                state.outputBufferedWriter.flush();
            }

        } catch (IOException e) {
            throw new ItemStreamException("Failed to write footer before closing", e);
        } finally {

            state.close();
            try {
                fileCloseTime = resource.getFile().lastModified();

            } catch (IOException e1) {
                logger.error(e1);
            }

            if (state.linesWritten == 0 && shouldDeleteIfEmpty) {
                try {
                    resource.getFile().delete();
                } catch (IOException e) {
                    throw new ItemStreamException("Failed to delete empty file on close", e);
                }
            }

            state = null;

        }
    }
}

---

From source file:egovframework.rte.bat.core.item.file.EgovPartitionFlatFileItemWriter.java

/**
 * Close  //from w  w w .  j a v a2s  .c  o m
 * state ? ? fileCount ? ?   state Close 
 *  ?  ? synchronized  ? 
 * @see ItemStream#close()
 */
public synchronized void close() {
    fileCount--; // increment for close Counting

    if (state != null && fileCount == 0) {
        try {

            if (footerCallback != null && state.outputBufferedWriter != null) {
                footerCallback.writeFooter(state.outputBufferedWriter);
                state.outputBufferedWriter.flush();
            }

            fileCloseTime = resource.getFile().lastModified();

            if (state.linesWritten == 0 && shouldDeleteIfEmpty) {
                try {
                    resource.getFile().delete();
                } catch (IOException e) {
                    throw new ItemStreamException("Failed to delete empty file on close", e);
                }
            }

        } catch (ItemStreamException ie) {
            throw ie;
        } catch (IOException e) {
            throw new ItemStreamException("Failed to write footer before closing", e);
        } finally {

            state.close();

        }
    }
}

---

From source file:me.andpay.ti.spring.batch.FlatFileItemWriter.java

/**
 * @see ItemStream#close()/*from  ww  w  .  j  av  a2 s .  c  o m*/
 */
public void close() {
    if (state != null) {
        try {
            if (footerCallback != null && state.outputBufferedWriter != null) {
                footerCallback.writeFooter(state.outputBufferedWriter, (int) state.linesWritten);
                state.outputBufferedWriter.flush();
            }
        } catch (IOException e) {
            throw new ItemStreamException("Failed to write footer before closing", e);
        } finally {
            state.close();
            if (state.linesWritten == 0 && shouldDeleteIfEmpty) {
                try {
                    resource.getFile().delete();
                } catch (IOException e) {
                    throw new ItemStreamException("Failed to delete empty file on close", e);
                }
            }
            state = null;
        }
    }
}

---

From source file:egovframework.rte.bat.core.item.file.EgovPartitionFlatFileItemWriter.java

/**
 * ?? open ? ?/*from w  w w . j  a v a  2 s . c  o  m*/
 * state ? BufferedWriter  
 * @see ItemStream#close()
 */
private void doOpen(ExecutionContext executionContext) throws ItemStreamException {

    OutputState outputState = getOutputState();

    if (executionContext.containsKey(getKey(RESTART_DATA_NAME))) {
        outputState.restoreFrom(executionContext);
    }
    try {
        outputState.initializeBufferedWriter();
        fileOpenTime = resource.getFile().lastModified();
        // ? Thread ?   ? Close ? Stream ?  ??    
        if ((fileOpenTime - fileCloseTime) / 1000.0 < 1) {

            throw new IOException("Failed to initialize writer");
        }
    } catch (IOException ioe) {
        throw new ItemStreamException("Failed to initialize writer", ioe);
    }
    if (outputState.lastMarkedByteOffsetPosition == 0 && !outputState.appending) {
        if (headerCallback != null) {
            try {
                headerCallback.writeHeader(outputState.outputBufferedWriter);
                outputState.write(lineSeparator);
            } catch (IOException e) {
                throw new ItemStreamException("Could not write headers.  The file may be corrupt.", e);
            }
        }
    }
}

---

From source file:me.andpay.ti.spring.batch.FlatFileItemWriter.java

private void doOpen(ExecutionContext executionContext) throws ItemStreamException {
    OutputState outputState = getOutputState();
    if (executionContext.containsKey(getKey(RESTART_DATA_NAME))) {
        outputState.restoreFrom(executionContext);
    }//from  w  w w  .j  ava  2 s  .  c o m
    try {
        outputState.initializeBufferedWriter();
    } catch (IOException ioe) {
        throw new ItemStreamException("Failed to initialize writer", ioe);
    }
    if (outputState.lastMarkedByteOffsetPosition == 0 && !outputState.appending) {
        if (headerCallback != null) {
            try {
                headerCallback.writeHeader(outputState.outputBufferedWriter);
                outputState.write(lineSeparator);
            } catch (IOException e) {
                throw new ItemStreamException("Could not write headers.  The file may be corrupt.", e);
            }
        }
    }
}

---

From source file:egovframework.rte.bat.core.item.file.EgovPartitionFlatFileItemWriter.java

/**
 * ??   OutputState ? ?   //from w  w w .j a  va  2s .c  o m
 * @return
 */
private OutputState getOutputState() {
    if (state == null) {
        File file;
        try {
            file = resource.getFile();
        } catch (IOException e) {
            throw new ItemStreamException("Could not convert resource to file: [" + resource + "]", e);
        }
        Assert.state(!file.exists() || file.canWrite(), "Resource is not writable: [" + resource + "]");
        state = new OutputState();
        state.setDeleteIfExists(shouldDeleteIfExists);
        state.setAppendAllowed(append);
        state.setEncoding(encoding);
    }
    return (OutputState) state;
}

---

From source file:me.andpay.ti.spring.batch.FlatFileItemWriter.java

protected OutputState getOutputState() {
    if (state == null) {
        File file;/*from   w  w  w.ja v a  2 s  . c o  m*/
        try {
            file = resource.getFile();
        } catch (IOException e) {
            throw new ItemStreamException("Could not convert resource to file: [" + resource + "]", e);
        }
        Assert.state(!file.exists() || file.canWrite(), "Resource is not writable: [" + resource + "]");
        state = new OutputState();
        state.setDeleteIfExists(shouldDeleteIfExists);
        state.setAppendAllowed(append);
        state.setEncoding(encoding);
    }
    return (OutputState) state;
}

---

From source file:me.andpay.ti.spring.batch.FlatFileItemWriter.java

protected void newFile() {
    this.state = null;
    OutputState outputState = getOutputState();

    try {//from w  ww.j  a v a2 s  .c  om
        outputState.initializeBufferedWriter();
    } catch (IOException ioe) {
        throw new ItemStreamException("Failed to initialize writer", ioe);
    }

    if (outputState.lastMarkedByteOffsetPosition == 0 && !outputState.appending) {
        if (headerCallback != null) {
            try {
                headerCallback.writeHeader(outputState.outputBufferedWriter);
                outputState.write(lineSeparator);
            } catch (IOException e) {
                throw new ItemStreamException("Could not write headers.  The file may be corrupt.", e);
            }
        }
    }
}

---

From source file:org.emonocot.job.io.StaxEventItemWriter.java

/**
 * Open the output source.//from   w  w  w.j  a  v  a  2s.c  om
 * @param newExecutionContext Set the execution context
 * @see org.springframework.batch.item.ItemStream#open(ExecutionContext)
 */
public final void open(final ExecutionContext newExecutionContext) {

    Assert.notNull(resource, "The resource must be set");

    long startAtPosition = 0;
    boolean restarted = false;

    // if restart data is provided, restart from provided offset
    // otherwise start from beginning
    if (newExecutionContext.containsKey(getKey(RESTART_DATA_NAME))) {
        startAtPosition = newExecutionContext.getLong(getKey(RESTART_DATA_NAME));
        restarted = true;
    }

    open(startAtPosition, restarted);

    if (startAtPosition == 0) {
        try {
            if (headerCallback != null) {
                headerCallback.write(delegateEventWriter);
            }
        } catch (IOException e) {
            throw new ItemStreamException("Failed to write headerItems", e);
        }
    }

}

---

From source file:org.emonocot.job.io.StaxEventItemWriter.java

/**
 * Flush and close the output source./*from  www.  ja va2 s  .  c  o m*/
 *
 * @see org.springframework.batch.item.ItemStream#close()
 */
public final void close() {

    // harmless event to close the root tag if there were no items
    XMLEventFactory factory = XMLEventFactory.newInstance();
    try {
        delegateEventWriter.add(factory.createCharacters(""));
    } catch (XMLStreamException e) {
        log.error(e);
    }

    try {
        if (footerCallback != null) {
            footerCallback.write(delegateEventWriter);
        }
        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 {
            eventWriter.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();
                }
            }
        }
    }
}

---

• «
• 1
• 2
• »