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NIHVIVO-564 Going back to using toString() methods for template model dump since it already handles nested collections. Improvements to DumpDataModelDirective so it dumps out values as well as variable names.

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rjy7 2010-07-29 13:44:53 +00:00
parent 98e5283ab1
commit 1ccde72b40
6 changed files with 111 additions and 53 deletions
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53
webapp/src/edu/cornell/mannlib/vitro/webapp/web/directives/DumpDataModelDirective.java
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@ -6,12 +6,17 @@ import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import edu.cornell.mannlib.vitro.webapp.utils.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.cornell.mannlib.vitro.webapp.controller.freemarker.FreemarkerHelper;
import freemarker.core.Environment;
import freemarker.template.Configuration;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
@ -22,49 +27,55 @@ import freemarker.template.utility.DeepUnwrap;
public class DumpDataModelDirective implements TemplateDirectiveModel {
@SuppressWarnings({ "unchecked", "deprecation" })
private static final Log log = LogFactory.getLog(DumpDataModelDirective.class);
@SuppressWarnings({ "unchecked" })
@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars,
TemplateDirectiveBody body) throws TemplateException, IOException {
if (params.size() != 0) {
throw new TemplateModelException(
"The dump directive doesn't allow parameters.");
"The dumpDataModel directive doesn't allow parameters.");
}
if (loopVars.length != 0) {
throw new TemplateModelException(
"The dump directive doesn't allow loop variables.");
"The dumpDataModel directive doesn't allow loop variables.");
}
if (body != null) {
throw new TemplateModelException(
"The dump directive doesn't allow nested content.");
"The dumpDataModel directive doesn't allow nested content.");
}
TemplateHashModel dataModel = env.getDataModel();
List<String> models = new ArrayList<String>();
Map<String, Object> models = new HashMap<String, Object>();
List<String> directives = new ArrayList<String>();
Map<String, Object> dm = (Map<String, Object>) DeepUnwrap.permissiveUnwrap(dataModel);
Set varNames = dm.keySet();
for (Object varName : varNames) {
if (dm.get(varName) instanceof TemplateDirectiveModel) {
directives.add((String) varName);
List<String> varNames = new ArrayList(dm.keySet());
Collections.sort(varNames);
for (String var : varNames) {
Object value = dm.get(var);
if (value instanceof TemplateDirectiveModel) {
directives.add((String) var);
} else {
models.add((String) varName);
models.put(var, value);
}
}
Collections.sort(models);
Collections.sort(directives);
Configuration config = env.getConfiguration();
String templateName = "dump-datamodel.ftl";
// RY Improve by making presentation of various types more nuanced
// Also merge to a template for formatting
// get config from environment; get a template from config
// merge as in FreeMarkerHttpServlet.mergeToTemplate()
String modelNames = "<p><strong>Data model:</strong> " + StringUtils.join(models, ", ") + ".</p>";
String directiveNames = "<p><strong>Directives:</strong> " + StringUtils.join(directives, ", ") + ".</p>";
Map<String, Object> map = new HashMap<String, Object>();
map.put("models", models);
map.put("directives", directives);
map.put("stylesheets", dataModel.get("stylesheets"));
map.put("dump", dataModel.get("dump"));
// Put the current datamodel into the new datamodel so its values can be dumped with the dump directive
map.put("datamodel", dataModel);
String output = modelNames + directiveNames;
FreemarkerHelper helper = new FreemarkerHelper();
String output = helper.mergeMapToTemplate(templateName, map, config);
Writer out = env.getOut();
out.write(output);

70
webapp/src/edu/cornell/mannlib/vitro/webapp/web/directives/DumpDirective.java
View file

@ -7,24 +7,29 @@ import java.io.Writer;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.cornell.mannlib.vitro.webapp.controller.freemarker.FreemarkerHelper;
import edu.cornell.mannlib.vitro.webapp.web.templatemodels.files.Stylesheets;
import freemarker.core.Environment;
import freemarker.template.Configuration;
import freemarker.template.SimpleDate;
import freemarker.template.SimpleHash;
import freemarker.template.SimpleScalar;
import freemarker.template.SimpleSequence;
import freemarker.template.TemplateBooleanModel;
import freemarker.template.TemplateDateModel;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateHashModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateNumberModel;
import freemarker.template.TemplateScalarModel;
import freemarker.template.TemplateSequenceModel;
public class DumpDirective implements TemplateDirectiveModel {
private static final Log log = LogFactory.getLog(DumpDirective.class);
@SuppressWarnings("unchecked")
@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars,
@ -42,57 +47,72 @@ public class DumpDirective implements TemplateDirectiveModel {
Object o = params.get("var");
if ( !(o instanceof SimpleScalar)) {
throw new TemplateModelException(
"Value of 'var' must be a string.");
"Value of parameter 'var' must be a string.");
}
String var = ((SimpleScalar)o).getAsString();
Object r = params.get("dataModelDump");
boolean dataModelDump = false;
if (r != null) {
if ( !(r instanceof TemplateBooleanModel)) {
throw new TemplateModelException(
"Value of parameter 'recursive' must be a boolean: true or false without quotation marks.");
}
dataModelDump = ((TemplateBooleanModel) r).getAsBoolean();
}
TemplateHashModel dataModel = env.getDataModel();
TemplateModel val = dataModel.get(var);
if (dataModelDump) {
dataModel = (TemplateHashModel) dataModel.get("datamodel");
}
Configuration config = env.getConfiguration();
String templateName = "dump-var.ftl";
String includeTemplate;
Object value = val;
TemplateModel val = null;
try {
val = dataModel.get(var);
} catch (TemplateModelException tme) {
log.error("Error getting value of template model " + var + " from data model.");
}
// Just use this for now. Handles nested collections.
String value = val.toString();
String type = null;
Writer out = env.getOut();
if (val instanceof SimpleScalar) {
includeTemplate = "dump-string.ftl";
if (val instanceof TemplateScalarModel) {
type = "string";
} else if (val instanceof SimpleDate) {
includeTemplate = "dump-string.ftl";
value = value.toString();
} else if (val instanceof TemplateDateModel) {
type = "date";
} else if (val instanceof TemplateNumberModel) {
type = "number";
} else if (val instanceof TemplateBooleanModel) {
includeTemplate = "dump-string.ftl";
value = ((TemplateBooleanModel) val).getAsBoolean() ? "true" : "false";
type = "boolean";
} else if (val instanceof SimpleSequence){
includeTemplate = "dump-array.ftl";
} else if (val instanceof SimpleHash) {
includeTemplate = "dump-hash.ftl";
// In recursive dump, we've gotten down to a raw string
} else if (val instanceof TemplateSequenceModel){
type = "sequence";
} else if (val instanceof TemplateHashModel) {
type = "hash";
// In recursive dump, we've gotten down to a raw string. Just output it.
// } else if (val == null) {
// out.write(var);
// return;
// Add a case for BaseTemplateModel - our template model objects will have a dump() method.
} else {
includeTemplate = "dump-string.ftl";
value = value.toString();
type = "object";
}
Map<String, Object> map = new HashMap<String, Object>();
map.put("var", var);
map.put("value", value);
map.put("includeTemplate", includeTemplate);
map.put("type", type);
map.put("stylesheets", dataModel.get("stylesheets"));
//map.put("dump", this);
Configuration config = env.getConfiguration();
String templateName = "dump-var.ftl";
FreemarkerHelper helper = new FreemarkerHelper();
String output = helper.mergeMapToTemplate(templateName, map, config);
Writer out = env.getOut();
out.write(output);
}

24
webapp/web/templates/freemarker/body/partials/dump/dump-datamodel.ftl Normal file
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@ -0,0 +1,24 @@
<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
<#-- Template for dumping the template data model -->
<div class="dump datamodel">
<h4>Template data model dump</h6>
<h5>Variables</h5>
<ul>
<#list models?keys as key>
<li><@dump var="${key}" dataModelDump=true /></li>
</#list>
</ul>
<h5>Directives</h5>
<ul>
<#list directives as directive>
<li>${directive}</li>
</#list>
</ul>
</div>

4
webapp/web/templates/freemarker/body/partials/dump/dump-array.ftl → webapp/web/templates/freemarker/body/partials/dump/dump-sequence.ftl
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@ -1,8 +1,8 @@
<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
<#-- Template for dumping array values -->
<#-- Template for dumping sequence (list and array) values -->
<strong>Type:</strong> array<br />
<strong>Type:</strong> sequence (array/list)<br />
<strong>Values:</strong><br />
<ul>
<#list value as item>

3
webapp/web/templates/freemarker/body/partials/dump/dump-var.ftl
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@ -6,7 +6,8 @@
<h6>Dump of template variable <em>${var}</em>:</h6>
<#include includeTemplate />
<strong>Type:</strong> ${type}<br />
<strong>Value:</strong> ${value}<br />
</div>

4
webapp/web/templates/freemarker/body/test.ftl
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@ -46,12 +46,14 @@
<p><strong>Berries: </strong>${berries}</p>
<#--
<@dump var="now" />
<@dump var="urls" />
<@dump var="fruit" />
<@dump var="trueStatement" />
<@dump var="falseStatement" />
<@dump var="falseStatement" /> -->
<@dump var="zoo1" />
<@dumpDataModel />
${stylesheets.addFromTheme("/sstest.css", "/sstest2.css")}