/* The contents of this file are subject to the license and copyright terms
* detailed in the license directory at the root of the source tree (also
* available online at http://fedora-commons.org/license/).
*/
package org.fcrepo.server.access;
import java.util.Arrays;
import java.util.List;
import javax.annotation.Resource;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.handler.MessageContext;
import org.apache.cxf.binding.soap.SoapFault;
import org.fcrepo.server.Context;
import org.fcrepo.server.ReadOnlyContext;
import org.fcrepo.server.Server;
import org.fcrepo.server.errors.ModuleInitializationException;
import org.fcrepo.server.utilities.CXFUtility;
import org.fcrepo.server.utilities.TypeUtility;
import org.fcrepo.utilities.DateUtility;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Jiri Kremser
*/
public class FedoraAPIAImpl
implements FedoraAPIA {
private static final Logger LOG = LoggerFactory
.getLogger(FedoraAPIAImpl.class);
private static final String[] EMPTY_STRING_ARRAY = new String[0];
@Resource
private WebServiceContext context;
/** The Fedora Server instance. */
private final Server m_server;
/** Instance of the access subsystem */
private final Access m_access;
/** Context for cached objects. */
// private static ReadOnlyContext context;
/** Debug toggle for testing. */
private boolean debug = false;
/** Before fulfilling any requests, make sure we have a server instance. */
public FedoraAPIAImpl(Server server) {
m_server = server;
m_access =
(Access) m_server
.getModule("org.fcrepo.server.access.Access");
debug = Boolean.parseBoolean(m_server.getParameter("debug"));
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#getDissemination(String pid
* ,)String serviceDefinitionPid ,)String methodName
* ,)org.fcrepo.server.types.gen.GetDissemination.Parameters parameters
* ,)String asOfDateTime )*
*/
@Override
public org.fcrepo.server.types.gen.MIMETypedStream getDissemination(String pid,
String serviceDefinitionPid,
String methodName,
org.fcrepo.server.types.gen.GetDissemination.Parameters parameters,
String asOfDateTime) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.storage.types.Property[] properties =
TypeUtility
.convertGenPropertyArrayToPropertyArray(parameters);
org.fcrepo.server.storage.types.MIMETypedStream mimeTypedStream =
m_access.getDissemination(context,
pid,
serviceDefinitionPid,
methodName,
properties,
DateUtility
.parseDateOrNull(asOfDateTime));
org.fcrepo.server.types.gen.MIMETypedStream genMIMETypedStream =
TypeUtility
.convertMIMETypedStreamToGenMIMETypedStream(mimeTypedStream);
return genMIMETypedStream;
} catch (Throwable th) {
LOG.error("Error getting dissemination", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#getObjectProfile(String pid
* ,)String asOfDateTime )*
*/
@Override
public org.fcrepo.server.types.gen.ObjectProfile getObjectProfile(String pid,
String asOfDateTime) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.access.ObjectProfile objectProfile =
m_access.getObjectProfile(context, pid, DateUtility
.parseDateOrNull(asOfDateTime));
org.fcrepo.server.types.gen.ObjectProfile genObjectProfile =
TypeUtility
.convertObjectProfileToGenObjectProfile(objectProfile);
return genObjectProfile;
} catch (Throwable th) {
LOG.error("Error getting object profile", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see
* org.fcrepo.server.access.FedoraAPIA#findObjects(org.fcrepo.server.types
* .gen.ArrayOfString resultFields ,)java.math.BigInteger maxResults
* ,)org.fcrepo.server.types.gen.FieldSearchQuery query )*
*/
@Override
public org.fcrepo.server.types.gen.FieldSearchResult findObjects(org.fcrepo.server.types.gen.ArrayOfString resultFields,
java.math.BigInteger maxResults,
org.fcrepo.server.types.gen.FieldSearchQuery query) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
String[] resultFieldsArray =
resultFields.getItem().toArray(EMPTY_STRING_ARRAY);
org.fcrepo.server.search.FieldSearchResult result =
m_access.findObjects(context,
resultFieldsArray,
maxResults.intValue(),
TypeUtility
.convertGenFieldSearchQueryToFieldSearchQuery(query));
return TypeUtility
.convertFieldSearchResultToGenFieldSearchResult(result);
} catch (Throwable th) {
LOG.error("Error finding objects", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#getObjectHistory(String pid )*
*/
@Override
public List<String> getObjectHistory(String pid) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
String[] changeTimestamps = m_access.getObjectHistory(context, pid);
if (changeTimestamps != null && debug) {
for (int i = 0; i < changeTimestamps.length; i++) {
LOG.debug("changeTimestamps[{}] = {}", i, changeTimestamps[i]);
}
}
return changeTimestamps == null ? null : Arrays.asList(changeTimestamps);
} catch (Throwable th) {
LOG.error("Error getting object history", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see
* org.fcrepo.server.access.FedoraAPIA#getDatastreamDissemination(String pid
* ,)String dsID ,)String asOfDateTime )*
*/
@Override
public org.fcrepo.server.types.gen.MIMETypedStream getDatastreamDissemination(String pid,
String dsID,
String asOfDateTime) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.storage.types.MIMETypedStream mimeTypedStream =
m_access.getDatastreamDissemination(context,
pid,
dsID,
DateUtility
.parseDateOrNull(asOfDateTime));
org.fcrepo.server.types.gen.MIMETypedStream genMIMETypedStream =
TypeUtility
.convertMIMETypedStreamToGenMIMETypedStream(mimeTypedStream);
return genMIMETypedStream;
} catch (OutOfMemoryError oome) {
LOG.error("Out of memory error getting " + dsID
+ " datastream dissemination for " + pid);
String exceptionText =
"The datastream you are attempting to retrieve is too large "
+ "to transfer via getDatastreamDissemination (as determined "
+ "by the server memory allocation.) Consider retrieving this "
+ "datastream via REST at: ";
String restURL =
describeRepository().getRepositoryBaseURL() + "/get/" + pid
+ "/" + dsID;
throw CXFUtility.getFault(new Exception(exceptionText + restURL));
} catch (Throwable th) {
LOG.error("Error getting datastream dissemination", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#describeRepository(*
*/
@Override
public org.fcrepo.server.types.gen.RepositoryInfo describeRepository() {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.access.RepositoryInfo repositoryInfo =
m_access.describeRepository(context);
org.fcrepo.server.types.gen.RepositoryInfo genRepositoryInfo =
TypeUtility.convertReposInfoToGenReposInfo(repositoryInfo);
return genRepositoryInfo;
} catch (Throwable th) {
LOG.error("Error describing repository", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#listMethods(String pid ,)String
* asOfDateTime )*
*/
@Override
public List<org.fcrepo.server.types.gen.ObjectMethodsDef> listMethods(String pid,
String asOfDateTime) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.storage.types.ObjectMethodsDef[] objectMethodDefs =
m_access.listMethods(context, pid, DateUtility
.parseDateOrNull(asOfDateTime));
return TypeUtility
.convertObjectMethodsDefArrayToGenObjectMethodsDefList(objectMethodDefs);
} catch (Throwable th) {
LOG.error("Error listing methods", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#resumeFindObjects(String
* sessionToken )*
*/
@Override
public org.fcrepo.server.types.gen.FieldSearchResult resumeFindObjects(String sessionToken) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.search.FieldSearchResult result =
m_access.resumeFindObjects(context, sessionToken);
return TypeUtility
.convertFieldSearchResultToGenFieldSearchResult(result);
} catch (Throwable th) {
LOG.error("Error resuming finding objects", th);
throw CXFUtility.getFault(th);
}
}
/*
* (non-Javadoc)
* @see org.fcrepo.server.access.FedoraAPIA#listDatastreams(String pid
* ,)String asOfDateTime )*
*/
@Override
public List<org.fcrepo.server.types.gen.DatastreamDef> listDatastreams(String pid,
String asOfDateTime) {
MessageContext ctx = context.getMessageContext();
Context context = ReadOnlyContext.getSoapContext(ctx);
assertInitialized();
try {
org.fcrepo.server.storage.types.DatastreamDef[] datastreamDefs =
m_access.listDatastreams(context, pid, DateUtility
.parseDateOrNull(asOfDateTime));
return TypeUtility
.convertDatastreamDefArrayToGenDatastreamDefList(datastreamDefs);
} catch (Throwable th) {
LOG.error("Error listing datastreams", th);
throw CXFUtility.getFault(th);
}
}
private void assertInitialized() throws SoapFault {
if (m_server == null) {
CXFUtility.throwFault(new ModuleInitializationException("Null was injected for Server to WS implementor",
"org.fcrepo.server.access.FedoraAPIA"));
}
if (m_access == null) {
CXFUtility.throwFault(new ModuleInitializationException("No Access module found for WS implementor",
"org.fcrepo.server.access.FedoraAPIA"));
}
}
}