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display item page use the same configuration then browse system

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git-svn-id: http://scm.dspace.org/svn/repo/trunk@2256 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
Andrea Bollini
2007-10-22 14:16:33 +00:00
parent 4d1706b383
commit 8c3b4ead62
1 changed files with 65 additions and 131 deletions
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196
dspace-jspui/src/main/java/org/dspace/app/webui/jsptag/ItemTag.java
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@@ -41,6 +41,8 @@ package org.dspace.app.webui.jsptag;
import org.apache.log4j.Logger;
import org.dspace.app.webui.util.UIUtil;
import org.dspace.browse.BrowseException;
import org.dspace.browse.BrowseIndex;
import org.dspace.content.Bitstream;
import org.dspace.content.Bundle;
@@ -158,11 +160,23 @@ public class ItemTag extends TagSupport
/** log4j logger */
private static Logger log = Logger.getLogger(ItemTag.class);
/** Hashmap of linked metadata to browse, from dspace.cfg */
private Map<String,String> linkedMetadata;
public ItemTag()
{
super();
getThumbSettings();
collectionStyles = null;
linkedMetadata = new HashMap<String, String>();
String linkMetadata;
for (int i = 1; null != (linkMetadata = ConfigurationManager.getProperty("webui.browse.link."+i)); i++)
{
String[] linkedMetadataSplit = linkMetadata.split(":");
String indexName = linkedMetadataSplit[0].trim();
String metadataName = linkedMetadataSplit[1].trim();
linkedMetadata.put(indexName, metadataName);
}
}
public int doStartTag() throws JspException
@@ -305,8 +319,16 @@ public class ItemTag extends TagSupport
String field = st.nextToken().trim();
boolean isDate = false;
boolean isLink = false;
boolean isAuthor = isAuthor(field);
boolean isSubject = isSubject(field);
String browseIndex;
try
{
browseIndex = getBrowseField(field);
}
catch (BrowseException e)
{
log.error(e);
browseIndex = null;
}
// Find out if the field should rendered as a date or link
@@ -366,33 +388,11 @@ public class ItemTag extends TagSupport
// Parse the date
out.print(UIUtil.displayDate(dd, false, false, (HttpServletRequest)pageContext.getRequest()));
}
else if (isAuthor)
else if (browseIndex != null)
{
String bType = ConfigurationManager.getProperty("webui.authorlinks.browse");
if (bType != null)
{
out.print("<a href=\"" + request.getContextPath() + "/browse?type=" + bType + "&value="
out.print("<a href=\"" + request.getContextPath() + "/browse?type=" + browseIndex + "&value="
+ URLEncoder.encode(values[j].value, "UTF-8") + "\">" + Utils.addEntities(values[j].value)
+ "</a>");
}
else
{
out.print(Utils.addEntities(values[j].value));
}
}
else if (isSubject)
{
String sType = ConfigurationManager.getProperty("webui.authorlinks.browse");
if (sType != null)
{
out.print("<a href=\"" + request.getContextPath() + "/browse?type=" + sType + "&value="
+ URLEncoder.encode(values[j].value, "UTF-8") + "\">" + Utils.addEntities(values[j].value)
+ "</a>");
}
else
{
out.print(Utils.addEntities(values[j].value));
}
}
else
{
@@ -912,119 +912,53 @@ public class ItemTag extends TagSupport
}
/**
* Is the given field name an Author field?
*
* If undefined in dspace.cfg (webui.browse.index.author) it defaults
* to using any field containing 'creator'.
* Return the browse index related to the field. <code>null</code> if the field is not a browse field
* (look for <cod>webui.browse.link.<n></code> in dspace.cfg)
*
* @param field
* @return Whether or not the given String is an author
* @return the browse index related to the field. Null otherwise
* @throws BrowseException
*/
private boolean isAuthor(String field)
private String getBrowseField(String field) throws BrowseException
{
// Does the user want to link to authors?
if (ConfigurationManager.getBooleanProperty("webui.authorlinks.enable", true) == false)
{
return false;
}
//Check whether a given metadata field should be considered an author field.
String authorField = ConfigurationManager.getProperty("webui.browse.index.author");
if (authorField == null)
{
if (field.indexOf("contributor") > 0 || field.indexOf("creator") > 0)
return true;
else
return false;
}
else
{
StringTokenizer st = new StringTokenizer(authorField, ",");
String aField;
while (st.hasMoreTokens())
{
aField = st.nextToken().trim();
// does dspace.cfg allow all qualifiers for this element?
if (aField.endsWith(".*"))
{
// does the field have a qualifier?
int i = field.lastIndexOf(".");
if (i != field.indexOf("."))
{
// lop off qualifier
field = field.substring(0, i);
}
}
// check field against dspace.cfg
if (aField.indexOf(field) >= 0)
return true;
}
//no match found
return false;
}
}
/**
* Is the given field name a Subject field?
*
* If undefined in dspace.cfg (webui.browse.index.subject) it defaults
* to using any field containing 'subject'.
*
* @param field
* @return Whether or not the given String is a subject
*/
private boolean isSubject(String field)
{
// Does the user want to link to subjects?
if (ConfigurationManager.getBooleanProperty("webui.subjectlinks.enable", false) == false)
{
return false;
}
// Check whether a given metadata field should be considered a subject field
String subjectField = ConfigurationManager.getProperty("webui.browse.index.subject");
if (subjectField == null)
{
if (field.indexOf("subject") > 0)
{
return true;
}
else
{
return false;
}
}
else
{
StringTokenizer st = new StringTokenizer(subjectField, ",");
String sField;
for (String indexName : linkedMetadata.keySet())
{
StringTokenizer bw_dcf = new StringTokenizer(linkedMetadata.get(indexName), ".");
while (st.hasMoreTokens())
String[] bw_tokens = { "", "", "" };
int i = 0;
while(bw_dcf.hasMoreTokens())
{
sField = st.nextToken().trim();
// does dspace.cfg allow all qualifiers for this element?
if (sField.endsWith(".*"))
{
// does the field have a qualifier?
int i = field.lastIndexOf(".");
if (i != field.indexOf("."))
{
// lop off qualifier
field = field.substring(0, i);
}
}
// check field against dspace.cfg
if (sField.indexOf(field) >= 0)
{
return true;
}
bw_tokens[i] = bw_dcf.nextToken().toLowerCase().trim();
i++;
}
String bw_schema = bw_tokens[0];
String bw_element = bw_tokens[1];
String bw_qualifier = bw_tokens[2];
//no match found
return false;
StringTokenizer dcf = new StringTokenizer(field, ".");
String[] tokens = { "", "", "" };
int j = 0;
while(dcf.hasMoreTokens())
{
tokens[j] = dcf.nextToken().toLowerCase().trim();
j++;
}
String schema = tokens[0];
String element = tokens[1];
String qualifier = tokens[2];
if (schema.equals(bw_schema) // schema match
&& element.equals(bw_element) // element match
&& (
(bw_qualifier != null) && ((qualifier != null && qualifier.equals(bw_qualifier)) // both not null and equals
|| bw_qualifier.equals("*")) // browse link with jolly
|| (bw_qualifier == null && qualifier == null)) // both null
)
{
return indexName;
}
}
return null;
}
}