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Add utilities and corresponding unit tests for manipulation of strings and display dates.

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This commit is contained in:
rjy7 2010-04-08 16:44:52 +00:00
parent 19a9c79d00
commit caedb8861e
4 changed files with 169 additions and 5 deletions
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46
webapp/src/edu/cornell/mannlib/vitro/webapp/utils/StringUtils.java
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@ -2,10 +2,13 @@
package edu.cornell.mannlib.vitro.webapp.utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class StringUtils {
public static String capitalize(String s) {
return s.substring(0, 1).toUpperCase() + s.substring(1);
}
@ -19,10 +22,14 @@ public class StringUtils {
if (glue == null) {
glue = ",";
}
String joinedList = "";
String joinedList = "";
int count = 0;
for (Object o : list) {
if (o == null) {
continue;
}
String s = o.toString();
if (count > 0) {
joinedList += glue;
@ -38,9 +45,37 @@ public class StringUtils {
return join(list, false, ",");
}
public static String join(List<?> list, String glue) {
return join(list, false, glue);
}
public static String join(String glue, String ...strings) {
List<String> list = new ArrayList<String>();
for (String s : strings) {
list.add(s);
}
return join(list, false, glue);
}
public static String join(String[] stringArray, boolean quote, String glue) {
return join(Arrays.asList(stringArray), quote, glue);
}
public static String join(String[] stringArray) {
return join(Arrays.asList(stringArray));
}
public static String join(String[] stringArray, String glue) {
return join(Arrays.asList(stringArray), false, glue);
}
public static String quotedList(List<?> list, String glue) {
return join(list, true, glue);
}
}
public static String quotedList(String[] stringArray, String glue) {
return quotedList(Arrays.asList(stringArray), glue);
}
// Because we can't use Java 1.6 String.isEmpty()
public static boolean isEmpty(String s) {
@ -56,4 +91,9 @@ public class StringUtils {
}
return false;
}
public static String setNullToEmptyString(String s) {
return s == null ? "" : s;
}
}

45
webapp/src/edu/cornell/mannlib/vitro/webapp/utils/display/DateDisplayUtils.java Normal file
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@ -0,0 +1,45 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils.display;
import java.util.Arrays;
import java.util.List;
import edu.cornell.mannlib.vitro.webapp.utils.StringUtils;
public class DateDisplayUtils {
public static String getDisplayDate(String date) {
String displayDate = null;
if (date == null) {
return displayDate;
}
List<String> dateParts = Arrays.asList(date.split("-"));
int datePartCount = dateParts.size();
switch (datePartCount) {
case 2:
displayDate = StringUtils.join("/", dateParts.get(1), dateParts.get(0));
break;
case 3:
displayDate = StringUtils.join("/", dateParts.get(1), dateParts.get(2), dateParts.get(0));
break;
default:
displayDate = date;
}
return displayDate;
}
public static String getDisplayDateRange(String startDate, String endDate) {
startDate = StringUtils.setNullToEmptyString(startDate);
endDate = StringUtils.setNullToEmptyString(endDate);
List<String> dates = Arrays.asList(startDate, endDate);
return StringUtils.join(dates, " - ");
}
public static String getDisplayDateRangeFromRawDates(String startDate, String endDate) {
return getDisplayDateRange(getDisplayDate(startDate), getDisplayDate(endDate));
}
}