org.apache.wink.common.internal.application.SimpleWinkApplication Maven / Gradle / Ivy
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package org.apache.wink.common.internal.application;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.wink.common.WinkApplication;
import org.apache.wink.common.internal.i18n.Messages;
import org.apache.wink.common.internal.utils.FileLoader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* Loads one or more flat application files using the
* ApplicationFileLoader.
*
* The implementation is lazy, meaning the files will be loaded on the first use
* and only once.
*
* This implementation search for files using the FileLoader. See
* ServletWinkApplication that loads files using
* ServletFileLoader.
*
* @see org.apache.wink.common.internal.utils.FileLoader
* @see org.apache.wink.common.internal.application.ApplicationFileLoader
* @see org.apache.wink.server.internal.application.ServletWinkApplication
*/
public class SimpleWinkApplication extends WinkApplication {
private static final Logger logger =
LoggerFactory
.getLogger(SimpleWinkApplication.class);
private static final String FILE_SEPARATOR = ";"; //$NON-NLS-1$
private final String applicationConfigFiles;
private Set> jaxRSClasses;
public SimpleWinkApplication(String applicationConfigFiles) {
this.applicationConfigFiles = applicationConfigFiles;
}
@Override
public Set> getClasses() {
if (jaxRSClasses != null) {
return jaxRSClasses;
}
jaxRSClasses = loadImplAppConfigFiles();
return jaxRSClasses;
}
private Set> loadImplAppConfigFiles() {
Set> jaxRSClasses = new LinkedHashSet>();
if (applicationConfigFiles != null) {
String[] applicationConfigFilesArray = applicationConfigFiles.split(FILE_SEPARATOR);
for (String applicationConfigFile : applicationConfigFilesArray) {
applicationConfigFile = applicationConfigFile.trim();
try {
jaxRSClasses
.addAll(getApplicationFileLoader(getFileStream(applicationConfigFile))
.getClasses());
} catch (FileNotFoundException e) {
if (logger.isWarnEnabled()) {
logger.warn(Messages.getMessage("configNotFound", applicationConfigFile)); //$NON-NLS-1$
}
}
}
}
return jaxRSClasses;
}
protected ApplicationFileLoader getApplicationFileLoader(InputStream is)
throws FileNotFoundException {
return new ApplicationFileLoader(is);
}
protected InputStream getFileStream(String applicationConfigFile) throws FileNotFoundException {
return FileLoader.loadFileAsStream(applicationConfigFile);
}
}