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added a working feed adapter that also maintains state using the metadata persister mechanism. INT-786

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This commit is contained in:
Josh Long
2010-10-03 19:14:19 -07:00
parent d3a083ecdb
commit 75093c93b3
20 changed files with 1173 additions and 441 deletions
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1
spring-integration-core/src/main/java/org/springframework/integration/context/IntegrationObjectSupport.java
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@@ -125,6 +125,7 @@ public abstract class IntegrationObjectSupport implements BeanNameAware, NamedCo
}
if (this.metadataPersister == null) {
PropertiesBasedMetadataPersister mp = new PropertiesBasedMetadataPersister();
try {
mp.afterPropertiesSet();
}

18
spring-integration-core/src/main/java/org/springframework/integration/context/metadata/PropertiesBasedMetadataPersister.java
View File

@@ -16,12 +16,6 @@ import java.util.concurrent.Executor;
* Implementation of {@link org.springframework.integration.context.metadata.MetadataPersister} that knows how to write metadata
* to a {@link java.util.Properties} instance.
*
*
*
* TODO could this perhaps participate or at least be aware of our transaction synchronization mechanism? IE: no guarantees, but we at least try to write on commit()s?
*
*
*
* @author Josh Long
*/
public class PropertiesBasedMetadataPersister implements MetadataPersister<String>, InitializingBean {
@@ -87,10 +81,6 @@ public class PropertiesBasedMetadataPersister implements MetadataPersister<Strin
private File buildFileFromUniqueName() {
File tmpDir = new File(System.getProperty("java.io.tmpdir"));
if ((this.uniqueName == null) || this.uniqueName.trim().equals("")) {
this.uniqueName = UUID.randomUUID().toString();
}
String un = this.uniqueName + ".properties";
return new File(tmpDir, un);
@@ -137,7 +127,7 @@ public class PropertiesBasedMetadataPersister implements MetadataPersister<Strin
try {
fileOutputStream = new FileOutputStream (cachedLocationOfPropertiesFile);
pro.store(fileOutputStream, (this.uniqueName == null) ? "" : this.uniqueName);
pro.store(fileOutputStream, this.uniqueName);
} finally {
if (fileOutputStream != null) {
fileOutputStream.close();
@@ -158,6 +148,12 @@ public class PropertiesBasedMetadataPersister implements MetadataPersister<Strin
public void afterPropertiesSet() throws Exception {
synchronized (this.monitor) {
if ((this.uniqueName == null) || this.uniqueName.trim().equals("")) {
this.uniqueName = UUID.randomUUID().toString();
}
if ((this.locationOfPropertiesOnDisk == null) && (this.uniqueName == null)) {
throw new RuntimeException("you must either specify a property file Resource or a uniqueName that can be used in generated a path that will be input into creating a Resource");
}