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BATCH-1618: fix filer writer to not create empty files

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This commit is contained in:
dsyer
2010-08-28 12:53:14 +00:00
parent da6b67ee2e
commit 51e03e8c29
1 changed files with 6 additions and 3 deletions
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9
spring-batch-infrastructure/src/main/java/org/springframework/batch/item/file/MultiResourceItemWriter.java
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@@ -72,6 +72,10 @@ public class MultiResourceItemWriter<T> extends ExecutionContextUserSupport impl
public void write(List<? extends T> items) throws Exception {
if (!opened) {
File file = setResourceToDelegate();
// create only if write is called
file.createNewFile();
Assert.state(file.canWrite(), "Output resource " + file.getAbsolutePath() + " must be writable");
delegate.open(new ExecutionContext());
opened = true;
}
@@ -164,11 +168,10 @@ public class MultiResourceItemWriter<T> extends ExecutionContextUserSupport impl
/**
* Create output resource (if necessary) and point the delegate to it.
*/
private void setResourceToDelegate() throws IOException {
private File setResourceToDelegate() throws IOException {
String path = resource.getFile().getAbsolutePath() + suffixCreator.getSuffix(resourceIndex);
File file = new File(path);
file.createNewFile();
Assert.state(file.canWrite(), "Output resource " + path + " must be writable");
delegate.setResource(new FileSystemResource(file));
return file;
}
}