/* 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.objecteditor;
import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import org.fcrepo.client.Administrator;
import org.fcrepo.client.objecteditor.types.DatastreamInputSpec;
import org.fcrepo.client.objecteditor.types.MethodDefinition;
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.TypeUtility;
/**
* Some static utility methods that might be needed across several classes in
* this package.
*/
public abstract class Util {
public static Map getSDefLabelMap() throws IOException {
try {
HashMap labelMap = new HashMap();
FieldSearchQuery query = new FieldSearchQuery();
Condition[] conditions = new Condition[1];
conditions[0] = new Condition();
conditions[0].setProperty("fType");
conditions[0].setOperator(ComparisonOperator.fromValue("eq"));
conditions[0].setValue("D");
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 */
throw new UnsupportedOperationException("This operation uses obsolete field search semantics");
}
FieldSearchResult result =
Administrator.APIA.findObjects(TypeUtility.convertStringtoAOS(fields),
new BigInteger("50"),
query);
while (result != null) {
ResultList resultList = result.getResultList();
if (resultList != null && resultList.getObjectFields() != null) {
for (ObjectFields element : resultList.getObjectFields()) {
labelMap.put(element.getPid(), element.getLabel());
}
}
if (result.getListSession() != null) {
result =
Administrator.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 sDef.
*/
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, which are no longer in field search,
*/
throw new UnsupportedOperationException("This operation uses obsolete field search semantics");
}
FieldSearchResult result =
Administrator.APIA
.findObjects(TypeUtility.convertStringtoAOS(fields),
new BigInteger("50"),
query);
while (result != null) {
ResultList resultList = result.getResultList();
if (resultList != null && resultList.getObjectFields() != null) {
for (ObjectFields element : resultList.getObjectFields()) {
labelMap.put(element.getPid(), element.getLabel());
}
}
if (result.getListSession() != null) {
result =
Administrator.APIA.resumeFindObjects(result
.getListSession().getValue().getToken());
} else {
result = null;
}
}
return labelMap;
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
public static Map getInputSpecMap(Set deploymentPIDs) throws IOException {
HashMap specMap = new HashMap();
Iterator iter = deploymentPIDs.iterator();
while (iter.hasNext()) {
String pid = (String) iter.next();
specMap.put(pid, getInputSpec(pid));
}
return specMap;
}
public static DatastreamInputSpec getInputSpec(String deploymentPID)
throws IOException {
HashMap hash = new HashMap();
hash.put("itemID", "DSINPUTSPEC");
/*
* return DatastreamInputSpec.parse(
* Administrator.DOWNLOADER.getDissemination( deploymentPID,
* "fedora-system:3", "getItem", hash, null) );
*/
return DatastreamInputSpec
.parse(Administrator.DOWNLOADER
.getDatastreamDissemination(deploymentPID,
"DSINPUTSPEC",
null));
}
/**
* Get the list of MethodDefinition objects defined by the indicated service
* definition.
*/
public static java.util.List getMethodDefinitions(String sDefPID)
throws IOException {
HashMap parms = new HashMap();
parms.put("itemID", "METHODMAP");
return MethodDefinition.parse(Administrator.DOWNLOADER
.getDatastreamDissemination(sDefPID, "METHODMAP", null));
}
/**
* Get the indicated fields of the indicated object from the repository.
*/
public static ObjectFields getObjectFields(String pid, String[] fields)
throws IOException {
FieldSearchQuery query = new FieldSearchQuery();
Condition condition = new Condition();
condition.setProperty("pid");
condition.setOperator(ComparisonOperator.fromValue("eq"));
condition.setValue(pid);
FieldSearchQuery.Conditions conds = new FieldSearchQuery.Conditions();
conds.getCondition().add(condition);
ObjectFactory factory = new ObjectFactory();
query.setConditions(factory.createFieldSearchQueryConditions(conds));
FieldSearchResult result =
Administrator.APIA
.findObjects(TypeUtility.convertStringtoAOS(fields),
new BigInteger("1"),
query);
ResultList resultList = result.getResultList();
if (resultList == null || resultList.getObjectFields() == null
&& resultList.getObjectFields().size() == 0) {
throw new IOException("Object not found in repository");
}
return resultList.getObjectFields().get(0);
}
/**
* Layout the provided components in two columns, each left-aligned, where
* the left column's cells are as narrow as possible. If north is true, all
* cells will be laid out to the NORTHwest. This is useful when some rows'
* cells aren't the same size vertically. If allowStretching is true,
* components on the right will be stretched if they can be.
*/
public static void addRows(JComponent[] left,
JComponent[] right,
GridBagLayout gridBag,
Container container,
boolean north,
boolean allowStretching) {
GridBagConstraints c = new GridBagConstraints();
c.insets = new Insets(0, 4, 4, 4);
if (north) {
c.anchor = GridBagConstraints.NORTHWEST;
} else {
c.anchor = GridBagConstraints.WEST;
}
for (int i = 0; i < left.length; i++) {
c.gridwidth = GridBagConstraints.RELATIVE; //next-to-last
c.fill = GridBagConstraints.NONE; //reset to default
c.weightx = 0.0; //reset to default
gridBag.setConstraints(left[i], c);
container.add(left[i]);
c.gridwidth = GridBagConstraints.REMAINDER; //end row
if (right[i] instanceof JComboBox) {
if (allowStretching) {
c.fill = GridBagConstraints.HORIZONTAL;
}
} else {
c.fill = GridBagConstraints.HORIZONTAL;
}
c.weightx = 1.0;
gridBag.setConstraints(right[i], c);
container.add(right[i]);
}
}
}