org.fcrepo.client.batch.BatchModifyParser Maven / Gradle / Ivy
/* 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.client.batch;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.fcrepo.client.FedoraClient;
import org.fcrepo.client.Uploader;
import org.fcrepo.client.batch.types.Datastream;
import org.fcrepo.client.batch.types.DigitalObject;
import org.fcrepo.client.utility.ingest.AutoIngestor;
import org.fcrepo.common.Constants;
import org.fcrepo.server.access.FedoraAPIAMTOM;
import org.fcrepo.server.management.FedoraAPIMMTOM;
import org.fcrepo.server.types.gen.ComparisonOperator;
import org.fcrepo.server.types.gen.Condition;
import org.fcrepo.server.types.gen.FieldSearchQuery;
import org.fcrepo.server.types.gen.FieldSearchResult;
import org.fcrepo.server.types.gen.FieldSearchResult.ResultList;
import org.fcrepo.server.types.gen.ObjectFactory;
import org.fcrepo.server.types.gen.ObjectFields;
import org.fcrepo.server.utilities.StreamUtility;
import org.fcrepo.server.utilities.TypeUtility;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
/**
* Parses a stream of batch modify directives and makes appropriate calls to the
* a Fedora server. The parsing is configured to parse directives in the file
* sequentially. Logs are written for each successful and failed directive that
* is processed. Recoverable(non-fatal) errors are written to the log file and
* processing continues. Catastrophic errors will cause parsing to halt and set
* the count of failed directives to -1 indicating that parsing was halted prior
* to the end of the file. In this case the logs will contain all directives
* processed up to the point of failure.
*
* @author Ross Wayland
*/
public class BatchModifyParser
extends DefaultHandler
implements Constants {
/**
* Instance of Uploader
*/
private static Uploader UPLOADER;
/**
* Instance of FedoraAPIM
*/
private static FedoraAPIMMTOM APIM;
private static FedoraAPIAMTOM APIA;
/**
* Log file print stream.
*/
private static PrintStream out;
/**
* Count of directives that succeeded.
*/
private int succeededCount = 0;
/**
* Count of directives that failed.
*/
private int failedCount = 0;
/**
* Variables for keeping state during SAX parse.
*/
private StringBuffer m_dsXMLBuffer;
private boolean m_inXMLMetadata;
private boolean addObject = false;
private boolean modifyObject = false;
private boolean purgeObject = false;
private boolean addDatastream = false;
private boolean modifyDatastream = false;
private boolean purgeDatastream = false;
private boolean setDatastreamState = false;
private boolean setDatastreamVersionable = false;
private boolean compareDatastreamChecksum = false;
private Datastream m_ds;
private DigitalObject m_obj;
/**
*
* Constructor allows this class to initiate the parsing.
*
*
* @param UPLOADER
* - An instance of Uploader.
* @param APIM
* - An instance of FedoraAPIM.
* @param APIA
* - An instance of Fedora APIA.
* @param in
* - An input stream containing the xml to be parsed.
* @param out
* - A print stream used for writing log info.
*/
public BatchModifyParser(Uploader UPLOADER,
FedoraAPIMMTOM APIM,
FedoraAPIAMTOM APIA,
InputStream in,
PrintStream out) {
BatchModifyParser.out = out;
BatchModifyParser.APIM = APIM;
BatchModifyParser.APIA = APIA;
BatchModifyParser.UPLOADER = UPLOADER;
XMLReader xmlReader = null;
boolean schemaValidate = true;
if ("true".equals(System.getenv("OFFLINE"))
|| "true".equals(System.getProperty("offline"))
|| "false".equals(System.getProperty("online"))
|| "false".equals(System.getenv("ONLINE"))) {
System.out.println("NOT validating");
schemaValidate = false;
}
// Configure the SAX parser.
try {
SAXParserFactory saxfactory = SAXParserFactory.newInstance();
SAXParser parser = saxfactory.newSAXParser();
xmlReader = parser.getXMLReader();
xmlReader.setContentHandler(this);
xmlReader
.setFeature("http://xml.org/sax/features/namespaces", true);
xmlReader
.setFeature("http://xml.org/sax/features/namespace-prefixes",
true);
xmlReader
.setFeature("http://apache.org/xml/features/validation/schema",
schemaValidate);
xmlReader.setErrorHandler(new BatchModifyXMLErrorHandler());
} catch (Exception e) {
// An Exception indicates a fatal error and parsing was halted. Set
// failedCount to -1 to indicate to the calling class that parsing failed.
// Throwing an Exception would make class variables for succeededCount
// and failedCount unavailable.
logParserError(e, null);
failedCount = -1;
}
// Parse the file.
try {
xmlReader.parse(new InputSource(in));
} catch (Exception e) {
// An Exception indicates a fatal error and parsing was halted. Set
// failedCount to -1 to indicate to the calling class that parsing failed.
// Throwing an Exception would make class variables for succeededCount
// and failedCount unavailable.
logParserError(e, null);
failedCount = -1;
}
}
/**
*
* Get the count of failed directives. Note that a failed count value of -1
* indicates that a fatal parsing error occurred before all directives could
* be parsed and the number of unprocessed directives is indeterminate. The
* log file will contain details on how many directives were successfully
* processed before the fatal error was encountered.
*
*
* @return The count of failed directives.
*/
public int getFailedCount() {
return failedCount;
}
/**
*
* Get the count of successful directives.
*
*
* @return The count of successful directives.
*/
public int getSucceededCount() {
return succeededCount;
}
@Override
public void skippedEntity(String name) throws SAXException {
StringBuffer sb = new StringBuffer();
sb.append('&');
sb.append(name);
sb.append(';');
char[] text = new char[sb.length()];
sb.getChars(0, sb.length(), text, 0);
characters(text, 0, text.length);
}
private void appendElementStart(String uri,
String localName,
String qName,
Attributes a,
StringBuffer out) {
out.append("<" + qName);
for (int i = 0; i < a.getLength(); i++) {
out.append(" " + a.getQName(i) + "=\""
+ StreamUtility.enc(a.getValue(i)) + "\"");
}
out.append(">");
}
@Override
public void characters(char ch[], int start, int length)
throws SAXException {
if (m_inXMLMetadata) {
// since this data is encoded straight back to xml,
// we need to make sure special characters &, <, >, ", and '
// are re-converted to the xml-acceptable equivalents.
StreamUtility.enc(ch, start, length, m_dsXMLBuffer);
}
}
@Override
public void startElement(String namespaceURI,
String localName,
String qName,
Attributes attrs) throws SAXException {
if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("addObject")) {
addObject = false;
m_obj = new DigitalObject();
// Get required attributes
m_obj.pid = attrs.getValue("pid");
m_obj.label = attrs.getValue("label");
m_obj.logMessage = attrs.getValue("logMessage");
try {
if (m_obj.label.equals("")) {
failedCount++;
logFailedDirective(m_obj.pid,
localName,
null,
"Object Label must be non-empty.");
return;
}
if (!m_obj.pid.equals("")) {
if (m_obj.pid.indexOf(":") < 1) {
failedCount++;
logFailedDirective(m_obj.pid,
localName,
null,
"Custom PID should be of the form \"namespace:1234\"");
return;
}
}
addObject = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("modifyObject")) {
modifyObject = false;
m_obj = new DigitalObject();
// Get required attributes
m_obj.pid = attrs.getValue("pid");
m_obj.logMessage = attrs.getValue("logMessage");
try {
if (!m_obj.pid.equals("")) {
if (m_obj.pid.indexOf(":") < 1) {
failedCount++;
logFailedDirective(m_obj.pid,
localName,
null,
"Custom PID should be of the form \"namespace:1234\"");
return;
}
}
// Get optional attributes
if (attrs.getValue("label") != null) {
m_obj.label = attrs.getValue("label");
} else {
m_obj.label = null;
}
if (attrs.getValue("state") != null) {
m_obj.state = attrs.getValue("state");
} else {
m_obj.state = null;
}
if (attrs.getValue("ownerId") != null) {
m_obj.ownerId = attrs.getValue("ownerId");
} else {
m_obj.ownerId = null;
}
modifyObject = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("purgeObject")) {
purgeObject = false;
m_obj = new DigitalObject();
// Get required attributes
m_obj.pid = attrs.getValue("pid");
m_obj.logMessage = attrs.getValue("logMessage");
try {
if (!m_obj.pid.equals("")) {
if (m_obj.pid.indexOf(":") < 1) {
failedCount++;
logFailedDirective(m_obj.pid,
localName,
null,
"Custom PID should be of the form \"namespace:1234\"");
return;
}
}
// Get optional attributes
if (attrs.getValue("force") != null) {
m_obj.force =
new Boolean(attrs.getValue("force")).booleanValue();
} else {
m_obj.force = false;
}
purgeObject = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("addDatastream")) {
try {
addDatastream = false;
m_ds = new Datastream();
// Get required attributes
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsControlGrp = attrs.getValue("dsControlGroupType");
m_ds.dsLabel = attrs.getValue("dsLabel");
m_ds.dsState = attrs.getValue("dsState");
m_ds.dsMIME = attrs.getValue("dsMIME");
m_ds.logMessage = attrs.getValue("logMessage");
// Check for optional attributes
if (attrs.getValue("dsID") != null
&& !attrs.getValue("dsID").equals("")) {
m_ds.dsID = attrs.getValue("dsID");
} else {
m_ds.dsID = null;
}
if (attrs.getValue("dsLocation") != null
&& !attrs.getValue("dsLocation").equals("")) {
m_ds.dsLocation = attrs.getValue("dsLocation");
}
if (attrs.getValue("formatURI") != null
&& !attrs.getValue("formatURI").equals("")) {
m_ds.formatURI = attrs.getValue("formatURI");
}
if (attrs.getValue("versionable") != null
&& !attrs.getValue("versionable").equals("")) {
m_ds.versionable =
new Boolean(attrs.getValue("versionable"))
.booleanValue();
}
if (attrs.getValue("altIDs") != null
&& !attrs.getValue("altIDs").equals("")) {
m_ds.altIDs = attrs.getValue("altIDs").split(" ");
}
if (attrs.getValue("checksumType") != null
&& !attrs.getValue("checksumType").equals("")) {
m_ds.checksumType = attrs.getValue("checksumType");
}
if (attrs.getValue("checksum") != null
&& !attrs.getValue("checksum").equals("")) {
m_ds.checksum = attrs.getValue("checksum");
}
addDatastream = true;
} catch (Exception e) {
e.printStackTrace();
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
return;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("purgeDatastream")) {
try {
purgeDatastream = false;
m_ds = new Datastream();
// Get required attributes
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsID = attrs.getValue("dsID");
m_ds.logMessage = attrs.getValue("logMessage");
// Get optional attributes. If asOfDate attribute is missing
// or empty its value is null and indicates that all versions
// of the datastream are to be purged.
if (attrs.getValue("asOfDate") != null
&& !attrs.getValue("asOfDate").equals("")) {
m_ds.asOfDate = attrs.getValue("asOfDate");
}
if (attrs.getValue("endDate") != null
&& !attrs.getValue("endDate").equals("")) {
m_ds.endDate = attrs.getValue("endDate");
}
if (attrs.getValue("force") != null
&& !attrs.getValue("force").equals("")) {
m_ds.force =
new Boolean(attrs.getValue("force")).booleanValue();
}
purgeDatastream = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("modifyDatastream")) {
try {
org.fcrepo.server.types.gen.Datastream dsOrig = null;
modifyDatastream = false;
// Get required attributes
m_ds = new Datastream();
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsID = attrs.getValue("dsID");
m_ds.dsControlGrp = attrs.getValue("dsControlGroupType");
m_ds.logMessage = attrs.getValue("logMessage");
try {
dsOrig =
APIM.getDatastream(m_ds.objectPID, m_ds.dsID, null);
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID,
localName,
null,
"Datastream ID: " + m_ds.dsID
+ " does not exist"
+ " in the object: "
+ m_ds.objectPID
+ " .\n Unable to modify"
+ "datastream.");
return;
}
// Check that datastream control group type matches that of the
// original datastream being modified. This would get caught
// later by the server, but may as well detect this now and
// flag as an error in directives file.
if (dsOrig.getControlGroup().value()
.equalsIgnoreCase(m_ds.dsControlGrp)) {
// Check for optional atributes. Missing attributes (null) indicate
// that no change is to occur to that attribute and that the original
// value of that datastream attribute is to be retained. Attributes that
// contain the empty string indicate that the datastream attribute value
// is to be set to the empty string.
if (attrs.getValue("dsLabel") != null) {
m_ds.dsLabel = attrs.getValue("dsLabel");
} else {
m_ds.dsLabel = dsOrig.getLabel();
}
if (attrs.getValue("dsLocation") != null) {
m_ds.dsLocation = attrs.getValue("dsLocation");
} else {
m_ds.dsLocation = dsOrig.getLocation();
}
if (attrs.getValue("dsMIME") != null) {
m_ds.dsMIME = attrs.getValue("dsMIME");
} else {
m_ds.dsMIME = dsOrig.getMIMEType();
}
if (attrs.getValue("force") != null) {
m_ds.force =
new Boolean(attrs.getValue("force"))
.booleanValue();
} else {
m_ds.force = false;
}
if (attrs.getValue("altIDs") != null) {
m_ds.altIDs = attrs.getValue("altIDs").split(" ");
} else {
m_ds.altIDs =
dsOrig.getAltIDs().getItem()
.toArray(new String[] {});
}
if (attrs.getValue("formatURI") != null) {
m_ds.formatURI = attrs.getValue("formatURI");
} else {
m_ds.formatURI = dsOrig.getFormatURI();
}
if (attrs.getValue("checksumType") != null) {
m_ds.checksumType = attrs.getValue("checksumType");
}
if (attrs.getValue("checksum") != null) {
m_ds.checksum = attrs.getValue("checksum");
}
modifyDatastream = true;
} else {
failedCount++;
logFailedDirective(m_ds.objectPID,
localName,
null,
" Datastream Control Group Type of: "
+ m_ds.dsControlGrp
+ " in directives file does not match control group"
+ " type in original datastream: "
+ dsOrig.getControlGroup()
.value());
}
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("setDatastreamState")) {
try {
m_ds = new Datastream();
setDatastreamState = false;
// Get require attributes
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsID = attrs.getValue("dsID");
m_ds.dsState = attrs.getValue("dsState");
m_ds.logMessage = attrs.getValue("logMessage");
setDatastreamState = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("setDatastreamVersionable")) {
try {
m_ds = new Datastream();
setDatastreamVersionable = false;
// Get require attributes
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsID = attrs.getValue("dsID");
m_ds.versionable =
new Boolean(attrs.getValue("versionable"))
.booleanValue();
m_ds.logMessage = attrs.getValue("logMessage");
setDatastreamVersionable = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("compareDatastreamChecksum")) {
try {
m_ds = new Datastream();
compareDatastreamChecksum = false;
// Get require attributes
m_ds.objectPID = attrs.getValue("pid");
m_ds.dsID = attrs.getValue("dsID");
// Get optional attributes
if (attrs.getValue("asOfDate") != null
&& !attrs.getValue("asOfDate").equals("")) {
m_ds.asOfDate = attrs.getValue("asOfDate");
}
compareDatastreamChecksum = true;
} catch (Exception e) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("xmlData")) {
m_inXMLMetadata = true;
m_dsXMLBuffer = new StringBuffer();
} else {
if (m_inXMLMetadata) {
appendElementStart(namespaceURI,
localName,
qName,
attrs,
m_dsXMLBuffer);
}
}
}
@Override
public void endElement(String namespaceURI, String localName, String qName)
throws SAXException {
if (m_inXMLMetadata) {
if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equals("xmlData")) {
try {
m_ds.xmlContent =
m_dsXMLBuffer.toString().getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
// won't happen
}
m_inXMLMetadata = false;
} else {
// finished an element in xmlData...append end tag.
m_dsXMLBuffer.append("");
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("addObject")) {
try {
if (addObject) {
StringBuffer xml = new StringBuffer();
xml.append("\n");
xml.append("<" + FOXML.DIGITAL_OBJECT.qName + " ");
xml.append(FOXML.VERSION.localName + "=\"1.1\"");
if (m_obj.pid != null && m_obj.pid.length() > 0) {
xml.append(" " + FOXML.PID.localName + "=\"");
xml.append(StreamUtility.enc(m_obj.pid) + "\"");
}
xml.append("\n");
xml.append(" xmlns:" + FOXML.prefix + "=\"");
xml.append(FOXML.uri + "\"\n");
xml.append(" xmlns:" + XSI.prefix + "=\"");
xml.append(XSI.uri + "\"\n");
xml.append(" " + XSI.SCHEMA_LOCATION.qName + "=\"");
xml.append(FOXML.uri + " " + FOXML1_1.xsdLocation);
xml.append("\">\n");
xml.append(" <" + FOXML.OBJECT_PROPERTIES.qName + ">\n");
appendProperty(xml, MODEL.LABEL.uri, m_obj.label);
xml.append(" \n");
xml.append("");
String objXML = xml.toString();
ByteArrayInputStream in =
new ByteArrayInputStream(objXML.getBytes("UTF-8"));
String newPID =
AutoIngestor
.ingestAndCommit(APIA,
APIM,
in,
FOXML1_1.uri,
"Created with BatchModify Utility \"addObject\" directive");
succeededCount++;
logSucceededDirective(newPID,
localName,
" Added new object with PID: "
+ newPID);
}
} catch (Exception e) {
if (addObject) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, "");
}
} finally {
addObject = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("modifyObject")) {
try {
// Process modifyObject only if no previous errors encountered
if (modifyObject) {
APIM.modifyObject(m_obj.pid,
m_obj.state,
m_obj.label,
m_obj.ownerId,
"ModifyObject");
}
succeededCount++;
logSucceededDirective(m_obj.pid, localName, "Object PID: "
+ m_obj.pid + " modified");
} catch (Exception e) {
if (modifyObject) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, null);
}
} finally {
modifyObject = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("purgeObject")) {
try {
// Process purgeDatastream only if no previous errors encountered
if (purgeObject) {
String purgedPid = null;
purgedPid =
APIM.purgeObject(m_obj.pid, "PurgeObject", false);
if (purgedPid != null) {
succeededCount++;
logSucceededDirective(m_obj.pid,
localName,
"Purged PID: " + m_obj.pid);
} else {
failedCount++;
logFailedDirective(m_ds.objectPID,
localName,
null,
"Unable to purge object with PID: "
+ m_obj.pid);
}
}
} catch (Exception e) {
if (purgeObject) {
failedCount++;
logFailedDirective(m_obj.pid, localName, e, "");
}
} finally {
purgeObject = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("addDatastream")) {
try {
// Process addDatastream only if no previous errors encountered
if (addDatastream) {
String datastreamID = null;
if (m_ds.dsControlGrp.equalsIgnoreCase("X")) {
InputStream xmlMetadata =
new ByteArrayInputStream(m_ds.xmlContent);
m_ds.dsLocation = UPLOADER.upload(xmlMetadata);
datastreamID =
APIM.addDatastream(m_ds.objectPID,
m_ds.dsID,
TypeUtility
.convertStringtoAOS(m_ds.altIDs),
m_ds.dsLabel,
m_ds.versionable,
m_ds.dsMIME,
m_ds.formatURI,
m_ds.dsLocation,
m_ds.dsControlGrp,
m_ds.dsState,
m_ds.checksumType,
m_ds.checksum,
m_ds.logMessage);
} else if (m_ds.dsControlGrp.equalsIgnoreCase("E")
|| m_ds.dsControlGrp.equalsIgnoreCase("M")
|| m_ds.dsControlGrp.equalsIgnoreCase("R")) {
datastreamID =
APIM.addDatastream(m_ds.objectPID,
m_ds.dsID,
TypeUtility
.convertStringtoAOS(m_ds.altIDs),
m_ds.dsLabel,
m_ds.versionable,
m_ds.dsMIME,
m_ds.formatURI,
m_ds.dsLocation,
m_ds.dsControlGrp,
m_ds.dsState,
m_ds.checksumType,
m_ds.checksum,
m_ds.logMessage);
}
if (datastreamID != null) {
succeededCount++;
logSucceededDirective(m_ds.objectPID,
localName,
"datastreamID: " + datastreamID
+ " added");
} else {
failedCount++;
logFailedDirective(m_ds.objectPID,
localName,
null,
"Unable to add datastream");
}
}
} catch (Exception e) {
e.printStackTrace();
if (addDatastream) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} finally {
addDatastream = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("purgeDatastream")) {
try {
// Process purgeDatastream only if no previous errors encountered
if (purgeDatastream) {
List versionsPurged = null;
versionsPurged =
APIM.purgeDatastream(m_ds.objectPID,
m_ds.dsID,
m_ds.asOfDate,
m_ds.endDate,
m_ds.logMessage,
false);
if (versionsPurged.size() > 0) {
succeededCount++;
if (m_ds.asOfDate != null && m_ds.endDate != null) {
logSucceededDirective(m_ds.objectPID,
localName,
"datastreamID: "
+ m_ds.dsID
+ "\n Purged all versions from: "
+ m_ds.asOfDate
+ " to "
+ m_ds.endDate
+ "\n Versions purged: "
+ versionsPurged
.size());
} else if (m_ds.asOfDate == null
&& m_ds.endDate == null) {
logSucceededDirective(m_ds.objectPID,
localName,
"datastreamID: "
+ m_ds.dsID
+ "\n Purged all versions. "
+ "\n Versions purged: "
+ versionsPurged
.size());
} else if (m_ds.asOfDate != null
&& m_ds.endDate == null) {
logSucceededDirective(m_ds.objectPID,
localName,
"datastreamID: "
+ m_ds.dsID
+ "\n Purged all versions after : "
+ m_ds.asOfDate
+ "\n Versions purged: "
+ versionsPurged
.size());
} else if (m_ds.asOfDate == null
&& m_ds.endDate != null) {
logSucceededDirective(m_ds.objectPID,
localName,
"datastreamID: "
+ m_ds.dsID
+ "\n Purged all versions prior to : "
+ m_ds.endDate
+ "\n Versions purged: "
+ versionsPurged
.size());
}
} else {
failedCount++;
logFailedDirective(m_ds.objectPID,
localName,
null,
"Unable to purge datastream; verify datastream ID and/or asOfDate");
}
}
} catch (Exception e) {
if (purgeDatastream) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, "");
}
} finally {
purgeDatastream = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("modifyDatastream")) {
try {
// Process modifyDatastream only if no previous errors encountered
if (modifyDatastream) {
if (m_ds.dsControlGrp.equalsIgnoreCase("X")) {
APIM.modifyDatastreamByValue(m_ds.objectPID,
m_ds.dsID,
TypeUtility
.convertStringtoAOS(m_ds.altIDs),
m_ds.dsLabel,
m_ds.dsMIME,
m_ds.formatURI,
TypeUtility
.convertBytesToDataHandler(m_ds.xmlContent),
m_ds.checksumType,
m_ds.checksum,
m_ds.logMessage,
false);
} else if (m_ds.dsControlGrp.equalsIgnoreCase("E")
|| m_ds.dsControlGrp.equalsIgnoreCase("M")
|| m_ds.dsControlGrp.equalsIgnoreCase("R")) {
APIM.modifyDatastreamByReference(m_ds.objectPID,
m_ds.dsID,
TypeUtility
.convertStringtoAOS(m_ds.altIDs),
m_ds.dsLabel,
m_ds.dsMIME,
m_ds.formatURI,
m_ds.dsLocation,
m_ds.checksumType,
m_ds.checksum,
m_ds.logMessage,
false);
}
succeededCount++;
logSucceededDirective(m_ds.objectPID,
localName,
"DatastreamID: " + m_ds.dsID
+ " modified");
}
} catch (Exception e) {
if (modifyDatastream) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, null);
}
} finally {
modifyDatastream = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("setDatastreamState")) {
try {
// Process setDatastreamState only if no previous errors encountered
if (setDatastreamState) {
APIM.setDatastreamState(m_ds.objectPID,
m_ds.dsID,
m_ds.dsState,
"SetDatastreamState");
succeededCount++;
logSucceededDirective(m_ds.objectPID,
localName,
"datastream: " + m_ds.dsID
+ "\n Set dsState: "
+ m_ds.dsState);
}
} catch (Exception e) {
if (setDatastreamState) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, null);
}
} finally {
setDatastreamState = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("setDatastreamVersionable")) {
try {
// Process setDatastreamVersionable only if no previous errors encountered
if (setDatastreamVersionable) {
APIM.setDatastreamVersionable(m_ds.objectPID,
m_ds.dsID,
m_ds.versionable,
"SetDatastreamVersionable");
succeededCount++;
logSucceededDirective(m_ds.objectPID,
localName,
"datastream: " + m_ds.dsID
+ "\n Set dsVersionable: "
+ m_ds.versionable);
}
} catch (Exception e) {
if (setDatastreamVersionable) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, null);
}
} finally {
setDatastreamVersionable = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("compareDatastreamChecksum")) {
try {
// Process compareDatastreamChecksum only if no previous errors encountered
if (compareDatastreamChecksum) {
String msg =
APIM.compareDatastreamChecksum(m_ds.objectPID,
m_ds.dsID,
m_ds.asOfDate);
if (!msg.equals("Checksum validation error")) {
succeededCount++;
logSucceededDirective(m_ds.objectPID,
localName,
"datastream: "
+ m_ds.dsID
+ "\n compareDatastreamChecksum: "
+ msg);
} else {
throw new Exception("Checksum validation error");
}
}
} catch (Exception e) {
if (compareDatastreamChecksum) {
failedCount++;
logFailedDirective(m_ds.objectPID, localName, e, null);
}
} finally {
compareDatastreamChecksum = false;
}
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("addDatastreamBinding")) {
} else if (namespaceURI.equalsIgnoreCase(BATCH_MODIFY.uri)
&& localName.equalsIgnoreCase("removeDatastreamBinding")) {
}
}
private static void appendProperty(StringBuffer xml,
String uri,
String value) {
xml.append(" <" + FOXML.PROPERTY.qName + " ");
xml.append(FOXML.NAME.localName + "=\"");
xml.append(uri + "\" " + FOXML.VALUE.localName + "=\"");
xml.append(StreamUtility.enc(value) + "\"/>\n");
}
/**
*
* Write a log of what happened when a directive fails.
*
*
* @param sourcePID
* - The PID of the object being processed.
* @param directive
* - The name of the directive being processed.
* @param e
* - The Exception that was thrown.
* @param msg
* - A message providing additional info if no Exception was thrown.
*/
private static void logFailedDirective(String sourcePID,
String directive,
Exception e,
String msg) {
out.println(" ");
if (e != null) {
String message = e.getMessage();
if (message == null) {
message = e.getClass().getName();
}
out.println(" " + StreamUtility.enc(message));
} else {
out.println(" " + StreamUtility.enc(msg));
}
out.println(" ");
}
/**
*
* Write a log of what happened when there is a parsing error.
*
*
* @param e
* - The Exception that was thrown.
* @param msg
* - A message indicating additional info if no Exception was thrown.
*/
private static void logParserError(Exception e, String msg) {
out.println(" ");
if (e != null) {
String message = e.getMessage();
if (message == null) {
message = e.getClass().getName();
}
out.println(" " + StreamUtility.enc(message));
} else {
out.println(" " + StreamUtility.enc(msg));
}
out.println(" ");
}
/**
*
* Write a log when a directive is successfully processed.
*
*
* @param sourcePID
* - The PID of the object processed.
* @param directive
* - The name of the directive processed.
* @param msg
* - A message.
*/
private static void logSucceededDirective(String sourcePID,
String directive,
String msg) {
out.println(" ");
out.println(" " + StreamUtility.enc(msg));
out.println(" ");
}
public static Map getServiceLabelMap() throws IOException {
try {
HashMap labelMap = new HashMap();
FieldSearchQuery query = new FieldSearchQuery();
FieldSearchQuery.Conditions conds =
new FieldSearchQuery.Conditions();
Condition condition = new Condition();
condition = new Condition();
condition.setProperty("fType");
condition.setOperator(ComparisonOperator.fromValue("eq"));
condition.setValue("D");
conds.getCondition().add(condition);
ObjectFactory factory = new ObjectFactory();
query.setConditions(factory.createFieldSearchQueryConditions(conds));
String[] fields = new String[] {"pid", "label"};
if (true) {
/* FIXME: find some other way to do this */
throw new UnsupportedOperationException("This operation uses obsolete field search semantics");
}
FieldSearchResult result =
APIA.findObjects(TypeUtility.convertStringtoAOS(fields),
new BigInteger("50"),
query);
while (result != null) {
ResultList resultList = result.getResultList();
if (result.getResultList() != null) {
for (ObjectFields element : resultList.getObjectFields()) {
labelMap.put(element.getPid().getValue(), element
.getLabel().getValue());
}
}
if (result.getListSession() != null) {
result =
APIA.resumeFindObjects(result.getListSession()
.getValue().getToken());
} else {
result = null;
}
}
return labelMap;
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
/**
* Get a map of pid-to-label of service deployments that implement the
* service defined by the indicated definition.
*
* @param sDefPID
* PID of the associated service defintion object.
* @return A list of the service deployment labels.
* @throws IOException
* If an error occurs in retrieving the list of labels.
*/
public static Map getDeploymentLabelMap(String sDefPID) throws IOException {
try {
HashMap labelMap = new HashMap();
FieldSearchQuery query = new FieldSearchQuery();
Condition[] conditions = new Condition[2];
conditions[0] = new Condition();
conditions[0].setProperty("fType");
conditions[0].setOperator(ComparisonOperator.fromValue("eq"));
conditions[0].setValue("M");
conditions[1] = new Condition();
conditions[1].setProperty("bDef");
conditions[1].setOperator(ComparisonOperator.fromValue("has"));
conditions[1].setValue(sDefPID);
FieldSearchQuery.Conditions conds = new FieldSearchQuery.Conditions();
conds.getCondition().addAll(Arrays.asList(conditions));
ObjectFactory factory = new ObjectFactory();
query.setConditions(factory.createFieldSearchQueryConditions(conds));
String[] fields = new String[] {"pid", "label"};
if (true) {
/*
* FIXME: find some other way to do this, if we care. It uses
* fType and bDef in field search, which are no longer
* available.
*/
throw new UnsupportedOperationException("This operation uses obsolete field search semantics");
}
FieldSearchResult result =
APIA.findObjects(TypeUtility.convertStringtoAOS(fields),
new BigInteger("50"),
query);
while (result != null) {
ResultList resultList = result.getResultList();
if (resultList != null) {
for (ObjectFields element : resultList.getObjectFields()) {
labelMap.put(element.getPid().getValue(), element.getLabel().getValue());
}
}
if (result.getListSession() != null) {
result =
APIA.resumeFindObjects(result.getListSession().getValue()
.getToken());
} else {
result = null;
}
}
return labelMap;
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
/**
*
* Main method for testing only.
*
*
* @param args
* Array of input parms consisting of hostname, port, username,
* password, protocol, directives, log.
*/
public static void main(String[] args) {
if (args.length == 5 || args.length == 6) {
String host = args[0];
int port = new Integer(args[1]).intValue();
String user = args[2];
String pass = args[3];
String protocol = args[4];
String context = Constants.FEDORA_DEFAULT_APP_CONTEXT;
if (args.length == 6 && !args[5].equals("")) {
context = args[5];
}
PrintStream logFile;
FedoraAPIMMTOM APIM;
FedoraAPIAMTOM APIA;
try {
UPLOADER = new Uploader(host, port, context, user, pass);
logFile =
new PrintStream(new FileOutputStream("C:\\zlogfile.txt"));
//APIM = org.fcrepo.client.APIMStubFactory.getStub(protocol, host, port, user, pass);
//APIA = org.fcrepo.client.APIAStubFactory.getStub(protocol, host, port, user, pass);
// ******************************************
// NEW: use new client utility class
String baseURL =
protocol + "://" + host + ":" + port + "/" + context;
FedoraClient fc = new FedoraClient(baseURL, user, pass);
APIA = fc.getAPIAMTOM();
APIM = fc.getAPIMMTOM();
//*******************************************
InputStream file =
new FileInputStream("c:\\fedora\\mellon\\dist\\client\\demo\\batch-demo\\modify-batch-directives-valid.xml");
BatchModifyParser bmp =
new BatchModifyParser(UPLOADER,
APIM,
APIA,
file,
logFile);
file.close();
logFile.close();
} catch (Exception e) {
System.out.println("ERROR: "
+ e.getClass().getName()
+ " - "
+ (e.getMessage() == null ? "(no detail provided)" : e
.getMessage()));
}
} else {
System.out.println("Enter args for: host port user pass protocol");
}
}
}
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