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NIHVIVO-3300 Placeholder images are configured by a properties file, which is loaded at startup.

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This commit is contained in:
j2blake 2012-03-22 20:10:13 +00:00
parent a83b27a340
commit 19f47459e0
3 changed files with 21 additions and 69 deletions
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2
productMods/WEB-INF/resources/startup_listeners.txt
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@ -22,6 +22,8 @@ edu.cornell.mannlib.vitro.webapp.servlet.setup.JenaDataSourceSetup
edu.cornell.mannlib.vitro.webapp.filestorage.backend.FileStorageSetup edu.cornell.mannlib.vitro.webapp.filestorage.backend.FileStorageSetup
edu.cornell.mannlib.vitro.webapp.web.images.PlaceholderUtil$Setup
# Update the URIs on Permission Sets on UserAccounts from model (1.4) to 1.5. # Update the URIs on Permission Sets on UserAccounts from model (1.4) to 1.5.
edu.cornell.mannlib.vitro.webapp.servlet.setup.UpdatePermissionSetUris edu.cornell.mannlib.vitro.webapp.servlet.setup.UpdatePermissionSetUris

19
productMods/images/placeholders/placeholders.properties Normal file
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@ -0,0 +1,19 @@
#
# Assign placeholder images to classes of individuals.
#
# If showing an individual that has no image, a placeholder image may be shown.
# By default, the placeholder is /images/placeholders/thumbnail.jpg. However,
# this file allows you to associate classes with special placeholder images, and
# if the individual belongs to such a class, the special placeholder is shown
# instead of the default.
#
# EXAMPLE:
# http\://xmlns.com/foaf/0.1/Person = /images/placeholders/person.thumbnail.jpg
# means that any individual of type foaf:Person will be represented by
# person.thumbnail.jpg
#
# NOTE: a colon is a special character in a properties file, and must be escaped
# by a backslash.
http\://xmlns.com/foaf/0.1/Person = /images/placeholders/person.thumbnail.jpg
http\://vitro.mannlib.cornell.edu/ns/vitro/authorization#UserAccount = /images/placeholders/person.thumbnail.jpg

69
src/edu/cornell/mannlib/vitro/webapp/utils/ImageUtil.java
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@ -1,69 +0,0 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.dao.IndividualDao;
import edu.cornell.mannlib.vitro.webapp.dao.VitroVocabulary;
/**
* Some static methods that help in dealing with image files.
*
* So far, we only have methods that obtain the placeholder image for an
* Individual that has no image of its own.
*
*/
public class ImageUtil {
private static final String DEFAULT_IMAGE_PATH = "/images/placeholders/thumbnail.jpg";
private static final Map<String, String> DEFAULT_IMAGE_PATHS_BY_TYPE = initImagePaths();
private static Map<String, String> initImagePaths() {
Map<String, String> map = new HashMap<String, String>();
map.put("http://xmlns.com/foaf/0.1/Person",
"/images/placeholders/person.thumbnail.jpg");
map.put(VitroVocabulary.USERACCOUNT,
"/images/placeholders/person.thumbnail.jpg");
return Collections.unmodifiableMap(map);
}
/**
* If we have a placeholder image for this exact type, return it. Otherwise,
* return the default.
*/
public static String getPlaceholderImagePathForType(String typeUri) {
for (Entry<String, String> entry : DEFAULT_IMAGE_PATHS_BY_TYPE
.entrySet()) {
if (typeUri.equals(entry.getKey())) {
return entry.getValue();
}
}
return DEFAULT_IMAGE_PATH;
}
/**
* If there is a placeholder image for any type that this Individual
* instantiates, return that image. Otherwise, return the default.
*/
public static String getPlaceholderImagePathForIndividual(
VitroRequest vreq, String individualUri) {
IndividualDao indDao = vreq.getWebappDaoFactory().getIndividualDao();
for (Entry<String, String> entry : DEFAULT_IMAGE_PATHS_BY_TYPE
.entrySet()) {
if (indDao.isIndividualOfClass(entry.getKey(), individualUri)) {
return entry.getValue();
}
}
return DEFAULT_IMAGE_PATH;
}
/** Never need to instantiate this -- all methods are static. */
private ImageUtil() {
// Nothing to do
}
}