Fixing problem with FM dump directive. Working on SparqlQueryDataGetter.

This commit is contained in:
briancaruso 2012-02-29 19:51:33 +00:00
parent 558985d542
commit d9669acddb
8 changed files with 159 additions and 80 deletions

View file

@ -443,6 +443,7 @@ public class FreemarkerHttpServlet extends VitroHttpServlet {
map.put("url", new edu.cornell.mannlib.vitro.webapp.web.directives.UrlDirective()); map.put("url", new edu.cornell.mannlib.vitro.webapp.web.directives.UrlDirective());
map.put("widget", new edu.cornell.mannlib.vitro.webapp.web.directives.WidgetDirective()); map.put("widget", new edu.cornell.mannlib.vitro.webapp.web.directives.WidgetDirective());
map.putAll( FreemarkerConfiguration.getDirectives() );
// Add these accumulator objects. They will collect tags so the template can write them // Add these accumulator objects. They will collect tags so the template can write them
// at the appropriate location. // at the appropriate location.

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@ -11,6 +11,7 @@ import com.hp.hpl.jena.rdf.model.Model;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest; import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.jena.JenaIngestController; import edu.cornell.mannlib.vitro.webapp.controller.jena.JenaIngestController;
import edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary;
import edu.cornell.mannlib.vitro.webapp.dao.jena.VitroJenaModelMaker; import edu.cornell.mannlib.vitro.webapp.dao.jena.VitroJenaModelMaker;
import edu.cornell.mannlib.vitro.webapp.dao.jena.VitroJenaSDBModelMaker; import edu.cornell.mannlib.vitro.webapp.dao.jena.VitroJenaSDBModelMaker;
@ -27,6 +28,8 @@ public abstract class DataGetterBase implements DataGetter {
return vreq.getDisplayModel(); return vreq.getDisplayModel();
}else if( REQUEST_JENA_ONT_MODEL.equals(modelName)){ }else if( REQUEST_JENA_ONT_MODEL.equals(modelName)){
return vreq.getJenaOntModel(); return vreq.getJenaOntModel();
}else if( CONTEXT_DISPLAY_MODEL.equals(modelName)){
return (Model)context.getAttribute( DisplayVocabulary.DISPLAY_ONT_MODEL);
}else if( ! StringUtils.isEmpty( modelName)){ }else if( ! StringUtils.isEmpty( modelName)){
Model model = JenaIngestController.getModel( modelName, vreq, context); Model model = JenaIngestController.getModel( modelName, vreq, context);
if( model == null ) if( model == null )
@ -41,5 +44,6 @@ public abstract class DataGetterBase implements DataGetter {
public final static String REQUEST_DISPLAY_MODEL = "vitro:requestDisplayModel"; public final static String REQUEST_DISPLAY_MODEL = "vitro:requestDisplayModel";
public final static String REQUEST_JENA_ONT_MODEL = "vitro:requestJenaOntModel"; public final static String REQUEST_JENA_ONT_MODEL = "vitro:requestJenaOntModel";
public final static String CONTEXT_DISPLAY_MODEL = "vitro:contextDisplayModel";
} }

View file

@ -84,7 +84,7 @@ public class SparqlQueryDataGetter extends DataGetterBase implements DataGetter{
this.queryText = value.getLexicalForm(); this.queryText = value.getLexicalForm();
//model is OPTIONAL //model is OPTIONAL
RDFNode node = soln.getResource("model"); RDFNode node = soln.get("queryModel");
if( node != null && node.isURIResource() ){ if( node != null && node.isURIResource() ){
this.modelURI = node.asResource().getURI(); this.modelURI = node.asResource().getURI();
}else if( node != null && node.isLiteral() ){ }else if( node != null && node.isLiteral() ){
@ -116,7 +116,7 @@ public class SparqlQueryDataGetter extends DataGetterBase implements DataGetter{
return Collections.emptyMap(); return Collections.emptyMap();
} }
//this may throw an error //this may throw a SPARQL syntax error
Query query = QueryFactory.create( this.queryText ); Query query = QueryFactory.create( this.queryText );
//build query bindings //build query bindings
@ -206,14 +206,14 @@ public class SparqlQueryDataGetter extends DataGetterBase implements DataGetter{
public static final String defaultVarNameForResults = "results"; public static final String defaultVarNameForResults = "results";
/** /**
* Query to get the definition of the SparqlDataGetter for a given data getter URI. * Query to get the definition of the SparqlDataGetter for a given URI.
*/ */
private static final String dataGetterQuery = private static final String dataGetterQuery =
"PREFIX display: <" + DisplayVocabulary.DISPLAY_NS +"> \n" + "PREFIX display: <" + DisplayVocabulary.DISPLAY_NS +"> \n" +
"SELECT ?query ?saveToVar ?model WHERE { \n" + "SELECT ?query ?saveToVar ?queryModel WHERE { \n" +
" ?dataGetterUri "+queryPropertyURI+" ?query . \n" + " ?dataGetterURI "+queryPropertyURI+" ?query . \n" +
" OPTIONAL{ ?dataGetterUri "+saveToVarPropertyURI+" ?saveToVar } \n " + " OPTIONAL{ ?dataGetterURI "+saveToVarPropertyURI+" ?saveToVar } \n " +
" OPTIONAL{ ?dataGetterUri "+queryModelPropertyURI+" ?model } \n" + " OPTIONAL{ ?dataGetterURI "+queryModelPropertyURI+" ?queryModel } \n" +
"}"; "}";

View file

@ -25,11 +25,12 @@ import freemarker.core.Environment;
import freemarker.ext.beans.BeanModel; import freemarker.ext.beans.BeanModel;
import freemarker.ext.beans.BeansWrapper; import freemarker.ext.beans.BeansWrapper;
import freemarker.ext.beans.CollectionModel; import freemarker.ext.beans.CollectionModel;
import freemarker.ext.beans.MapModel;
import freemarker.ext.beans.SimpleMethodModel; import freemarker.ext.beans.SimpleMethodModel;
import freemarker.ext.beans.StringModel; import freemarker.ext.beans.StringModel;
import freemarker.ext.beans.WrapperExtractor; import freemarker.ext.beans.WrapperExtractor;
import freemarker.template.Configuration;
import freemarker.template.ObjectWrapper; import freemarker.template.ObjectWrapper;
import freemarker.template.SimpleScalar;
import freemarker.template.Template; import freemarker.template.Template;
import freemarker.template.TemplateBooleanModel; import freemarker.template.TemplateBooleanModel;
import freemarker.template.TemplateCollectionModel; import freemarker.template.TemplateCollectionModel;
@ -146,28 +147,28 @@ public abstract class BaseDumpDirective implements TemplateDirectiveModel {
} }
TemplateHashModel dataModel = env.getDataModel(); TemplateHashModel dataModel = env.getDataModel();
TemplateModel model = dataModel.get(varName); TemplateModel valueToDump = dataModel.get(varName);
return getTemplateVariableDump(varName, model); return getTemplateVariableDump(varName, valueToDump);
} }
protected Map<String, Object> getTemplateVariableDump(String varName, TemplateModel model) protected Map<String, Object> getTemplateVariableDump(String varName, TemplateModel valueToDump)
throws TemplateModelException { throws TemplateModelException {
Map<String, Object> value = new HashMap<String, Object>(); Map<String, Object> value = new HashMap<String, Object>();
if (model == null) { if (valueToDump == null) {
value.put(Key.VALUE.toString(), Value.UNDEFINED.toString()); value.put(Key.VALUE.toString(), Value.UNDEFINED.toString());
// TemplateMethodModel and TemplateDirectiveModel objects can only be // TemplateMethodModel and TemplateDirectiveModel objects can only be
// included in the data model at the top level. // included in the data model at the top level.
} else if (model instanceof TemplateMethodModel) { } else if (valueToDump instanceof TemplateMethodModel) {
value.putAll( getTemplateModelDump( ( TemplateMethodModel)model, varName ) ); value.putAll( getTemplateModelDump( ( TemplateMethodModel)valueToDump, varName ) );
} else if (model instanceof TemplateDirectiveModel) { } else if (valueToDump instanceof TemplateDirectiveModel) {
value.putAll( getTemplateModelDump( ( TemplateDirectiveModel)model, varName ) ); value.putAll( getTemplateModelDump( ( TemplateDirectiveModel)valueToDump, varName ) );
} else { } else {
value.putAll(getDump(model)); value.putAll(getDump(valueToDump));
} }
Map<String, Object> dump = new HashMap<String, Object>(); Map<String, Object> dump = new HashMap<String, Object>();
@ -175,57 +176,57 @@ public abstract class BaseDumpDirective implements TemplateDirectiveModel {
return dump; return dump;
} }
private Map<String, Object> getDump(TemplateModel model) throws TemplateModelException { private Map<String, Object> getDump(TemplateModel valueToDump) throws TemplateModelException {
Map<String, Object> map = new HashMap<String, Object>(); Map<String, Object> map = new HashMap<String, Object>();
// Don't return null if model == null. We still want to send the map to the template. // Don't return null if model == null. We still want to send the map to the template.
if (model != null) { if (valueToDump != null) {
if ( model instanceof TemplateSequenceModel ) { if ( valueToDump instanceof TemplateSequenceModel ) {
if (model instanceof CollectionModel && ! ((CollectionModel)model).getSupportsIndexedAccess()) { if (valueToDump instanceof CollectionModel && ! ((CollectionModel)valueToDump).getSupportsIndexedAccess()) {
map.putAll( getTemplateModelDump( (TemplateCollectionModel)model ) ); map.putAll( getTemplateModelDump( (TemplateCollectionModel)valueToDump ) );
} else { } else {
map.putAll( getTemplateModelDump( (TemplateSequenceModel)model ) ); map.putAll( getTemplateModelDump( (TemplateSequenceModel)valueToDump ) );
} }
} else if ( model instanceof TemplateNumberModel ) { } else if ( valueToDump instanceof TemplateNumberModel ) {
map.putAll( getTemplateModelDump( (TemplateNumberModel)model ) ); map.putAll( getTemplateModelDump( (TemplateNumberModel)valueToDump ) );
} else if ( model instanceof TemplateBooleanModel ) { } else if ( valueToDump instanceof TemplateBooleanModel ) {
map.putAll( getTemplateModelDump( (TemplateBooleanModel)model ) ); map.putAll( getTemplateModelDump( (TemplateBooleanModel)valueToDump ) );
} else if ( model instanceof TemplateDateModel ) { } else if ( valueToDump instanceof TemplateDateModel ) {
map.putAll( getTemplateModelDump( (TemplateDateModel)model ) ); map.putAll( getTemplateModelDump( (TemplateDateModel)valueToDump ) );
} else if ( model instanceof TemplateCollectionModel ) { } else if ( valueToDump instanceof TemplateCollectionModel ) {
map.putAll( getTemplateModelDump( (TemplateCollectionModel)model ) ); map.putAll( getTemplateModelDump( (TemplateCollectionModel)valueToDump ) );
} else if ( model instanceof StringModel ) { } else if ( valueToDump instanceof StringModel ) {
// A StringModel can wrap either a String or a plain Java object. // A StringModel can wrap either a String or a plain Java object.
// Unwrap it to figure out what to do. // Unwrap it to figure out what to do.
Object unwrappedModel = DeepUnwrap.permissiveUnwrap(model); Object unwrappedModel = DeepUnwrap.permissiveUnwrap(valueToDump);
if (unwrappedModel instanceof String) { if (unwrappedModel instanceof String) {
map.putAll( getTemplateModelDump( (TemplateScalarModel)model ) ); map.putAll( getTemplateModelDump( (TemplateScalarModel)valueToDump ) );
} else { } else {
map.putAll( getTemplateModelDump( (TemplateHashModelEx)model ) ); map.putAll( getTemplateModelDump( (TemplateHashModelEx)valueToDump ) );
} }
} else if ( model instanceof TemplateScalarModel ) { } else if ( valueToDump instanceof TemplateScalarModel ) {
map.putAll( getTemplateModelDump( (TemplateScalarModel)model ) ); map.putAll( getTemplateModelDump( (TemplateScalarModel)valueToDump ) );
} else if ( model instanceof TemplateHashModelEx ) { } else if ( valueToDump instanceof TemplateHashModelEx ) {
map.putAll( getTemplateModelDump( (TemplateHashModelEx)model ) ); map.putAll( getTemplateModelDump( (TemplateHashModelEx)valueToDump ) );
} else if (model instanceof TemplateHashModel ) { } else if (valueToDump instanceof TemplateHashModel ) {
map.putAll( getTemplateModelDump( (TemplateHashModel)model ) ); map.putAll( getTemplateModelDump( (TemplateHashModel)valueToDump ) );
// Nodes and transforms not included here // Nodes and transforms not included here
} else { } else {
// We shouldn't get here; provide as a safety net. // We shouldn't get here; provide as a safety net.
map.putAll( getTemplateModelDump( (TemplateModel)model ) ); map.putAll( getTemplateModelDump( (TemplateModel)valueToDump ) );
} }
} else { } else {
map.put(Key.VALUE.toString(), Value.NULL.toString()); map.put(Key.VALUE.toString(), Value.NULL.toString());
@ -564,14 +565,6 @@ public abstract class BaseDumpDirective implements TemplateDirectiveModel {
return null; return null;
} }
// private Map<String, Object> getSimpleMethodModelDump(Object object, SimpleMethodModel model) throws TemplateModelException {
// Map<String, Object> map = new HashMap<String, Object>();
// Method method = (Method)DeepUnwrap.permissiveUnwrap(model);
// TemplateModel value = model.get(method.getName());
// map.put(Key.VALUE.toString(), getDump(value));
// return map;
// }
private Map<String, Object> getTemplateModelDump(TemplateModel model) throws TemplateModelException { private Map<String, Object> getTemplateModelDump(TemplateModel model) throws TemplateModelException {
// One of the more specific cases should have applied. Track whether this actually occurs. // One of the more specific cases should have applied. Track whether this actually occurs.
log.debug("Found template model of type " + model.getClass().getName()); log.debug("Found template model of type " + model.getClass().getName());
@ -593,24 +586,68 @@ public abstract class BaseDumpDirective implements TemplateDirectiveModel {
// Wrap the dump in another map so the template has a handle to iterate through // Wrap the dump in another map so the template has a handle to iterate through
// the values: <#list dump?keys as key>...</#list> // the values: <#list dump?keys as key>...</#list>
Map<String, Object> map = new HashMap<String, Object>(); Map<String, Object> map = new HashMap<String, Object>();
map.put("dump", dump);
//put the TemplateModel to be dumped at 'dumpValue'
map.put("dumpValue", dump);
map.put("title", title); map.put("title", title);
writeDump(map, env, templateName); writeDump(map, env, templateName);
} }
protected void writeDump(Map<String, Object> map, Environment env, String templateName) protected void writeDump(Map<String, Object> map, Environment env, String templateName)
throws TemplateException, IOException { throws TemplateException, IOException {
// Make the stylesheets list visible to dump.ftl
map.put("stylesheets", env.getVariable("stylesheets")); //bdc34: not sure what to do there to
//get the scope from the env to this dump template, trying an ugly copy
map.putAll( toMap( env.getDataModel() ));
Template template = env.getConfiguration().getTemplate(templateName); Template template = env.getConfiguration().getTemplate(templateName);
StringWriter sw = new StringWriter(); StringWriter sw = new StringWriter();
template.process(map, sw); template.process(map, sw);
Writer out = env.getOut(); Writer out = env.getOut();
out.write(sw.toString()); out.write(sw.toString());
} }
public Map<String, Object> help(String name) { public Map<String, Object> help(String name) {
return new HashMap<String, Object>(); return new HashMap<String, Object>();
} }
/**
* Convert a Freemarker TemplateObject to a usable map.
* @throws TemplateModelException
*/
protected Map<? extends String, ? extends Object> toMap( Object hash ) throws TemplateModelException{
Map<String,Object> outMap = new HashMap<String,Object>();
if( hash instanceof TemplateHashModelEx ){
TemplateHashModelEx thme = (TemplateHashModelEx) hash;
for( String key : junkToStrings( thme.keys() )){
outMap.put(key, thme.get(key));
}
}else{
log.error("Freemarker is passing odd objects to method toMap(): " + hash.getClass().getName());
}
return outMap;
}
protected List<String> junkToStrings( TemplateCollectionModel junk ){
List<String> keys = new ArrayList<String>();
try{
TemplateModelIterator it = junk.iterator();
while( it.hasNext() ){
Object obj = it.next();
if( obj instanceof StringModel){
keys.add( ((StringModel)obj).getAsString() );
}else if( obj instanceof SimpleScalar ){
keys.add( ((SimpleScalar)obj).getAsString());
}else{
log.error("Freemarker is setting keys to hashes as non-strings: " + obj.getClass().getName());
}
}
}catch(Exception ex){
log.error("Freemarker is messing with us",ex);
}
return keys;
}
} }

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@ -50,6 +50,8 @@ owl:ObjectProperty
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#DataGetter> <http://vitro.mannlib.cornell.edu/ontologies/display/1.1#DataGetter>
a owl:Class . a owl:Class .
<java:edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SparqlQueryDataGetter>
a owl:Class .
########Data Properties######### ########Data Properties#########
@ -102,13 +104,15 @@ owl:versionInfo
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#usesDataGetterClass> <http://vitro.mannlib.cornell.edu/ontologies/display/1.1#usesDataGetterClass>
a owl:DatatypeProperty . a owl:DatatypeProperty .
###Custom data getters that may or may not be associated with a page use the following relationships
###E.g. sparql data getters can specify the query to be used as well as what variable in the template
###should store the results
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#saveToVar>
a owl:DatatypeProperty .
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#query> <http://vitro.mannlib.cornell.edu/ontologies/display/1.1#query>
a owl:DatatypeProperty . a owl:DatatypeProperty .
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#saveToVar>
a owl:DatatypeProperty.
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#queryModel>
a owl:DatatypeProperty.
######### Object Properties######### ######### Object Properties#########
###Basic ###Basic
rdfs:range rdfs:range
@ -179,7 +183,4 @@ owl:topObjectProperty
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#restrictResultsByClass> <http://vitro.mannlib.cornell.edu/ontologies/display/1.1#restrictResultsByClass>
a owl:ObjectProperty . a owl:ObjectProperty .
###Custom data getters that may or may not be associated with a page use the following relationships
###E.g. sparql data getters can specify what model to use for querying
<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#queryModel>
a owl:ObjectProperty .

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@ -5,4 +5,6 @@
<p>Implement a <a href="${urls.base}/display?uri=${page.pageUri?url}&switchToDisplayModel=1">link</a> to configure this page if the user has permission.</p> <p>Implement a <a href="${urls.base}/display?uri=${page.pageUri?url}&switchToDisplayModel=1">link</a> to configure this page if the user has permission.</p>
</div> </div>

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@ -0,0 +1,32 @@
<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
<div>
<#if pages?has_content >
<table>
<th>Title</th><th>URI</th>
<#list pages as pagex>
<tr>
<td>${(pagex.title)!'-untitled-'}</td>
<#if pagex.pageUri??>
<td><a href="${urls.base}/individual?uri=${pagex.pageUri?url}&switchToDisplayModel=1">${pagex.pageUri}</a></td>
<#else>
<td>URI for page not defined</td>
</#if>
</tr>
</#list>
</table>
<#else>
<p>There are no pages defined yet.</p>
</#if>
<form id="addIndividualClass" action="${urls.base}/editRequestDispatch" method="get">
<input type="hidden" name="typeOfNew" value="http://vitro.mannlib.cornell.edu/ontologies/display/1.1#Page">
<input type="hidden" name="switchToDisplayModel" value="1">
<input type="hidden" name="editForm" value="edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.generators.NewIndividualFormGenerator" role="input">
<input type="submit" id="submit" value="Add Page" role="button">
</form>
</div>

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@ -7,21 +7,23 @@
<div class="dump"> <div class="dump">
<h3>${title}</h3> <h3>${title}</h3>
<@doDump dump /> <#-- dump has been changed to dumpValue to avoid confusion
with the dump directive which is stored in the DataModel as 'dump' -->
<@doDump dumpValue />
</div> </div>
<#macro doDump dump> <#macro doDump dumpValue>
<#if dump?keys?has_content> <#if dumpValue?keys?has_content>
<ul> <ul>
<#list dump?keys as key> <#list dumpValue?keys as key>
<li class="variable"> <li class="variable">
<p><strong>Variable name:</strong> ${key}</p> <p><strong>Variable name:</strong> ${key}</p>
<#local type = dump[key].type!> <#local type = dumpValue[key].type!>
<#if type == "Directive" || type == "Method"> <#if type == "Directive" || type == "Method">
<@doMethod dump[key] /> <@doMethod dumpValue[key] />
<#else> <#else>
<@doTypeAndValue dump[key] /> <@doTypeAndValue dumpValue[key] />
</#if> </#if>
</li> </li>
</#list> </#list>