erik/HttpStatus
erik/HttpStatus
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Erik C. Thauvin 2015-12-02 18:23:54 -08:00
commit ad982eff1b
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75
src/main/java/net/thauvin/erik/httpstatus/Reasons.java Normal file
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/*
* HttpStatus.java
*
* Copyright (c) 2015 Erik C. Thauvin (http://erik.thauvin.net/)
* All rights reserved.
*/
package net.thauvin.erik.httpstatus;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.TreeMap;
/**
* The <code>Reasons</code> class.
*
* @author <a href="mailto:erik@thauvin.net">Erik C. Thauvin</a>
* @created 2015-12-02
* @since 1.0
*/
public class Reasons
{
/**
* The reason phrases map.
*/
private static final Map<String, String> REASON_PHRASES = new TreeMap<String, String>();
/**
* Gets the reason phrase for the specified status code.
*
* @param statusCode The status code.
*
* @return The reason phrase, or <code>null</code>.
*/
public static String getReasonPhrase(int statusCode)
{
return getReasonPhrase(Integer.toString(statusCode));
}
/**
* Gets the reason phrase for the specified status code.
*
* @param statusCode The status code.
*
* @return The reason phrase, or <code>null</code>.
*/
public static String getReasonPhrase(String statusCode)
{
return REASON_PHRASES.get(statusCode);
}
/**
* Outputs the status codes and reason phrases.
*
* @param args The command line arguments.
*/
public static void main(String[] args)
{
for (final Map.Entry<String, String> entry : REASON_PHRASES.entrySet())
{
System.out.println(entry.getKey() + '=' + entry.getValue());
}
}
/**
* Initializes the reason phrases map.
*/
static
{
final ResourceBundle bundle = ResourceBundle.getBundle("reasons", java.util.Locale.getDefault());
for (final String key : bundle.keySet())
{
REASON_PHRASES.put(key, bundle.getString(key));
}
}
}

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src/main/java/net/thauvin/erik/httpstatus/taglibs/ReasonTag.java Normal file
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/*
* ReasonTag.java
*
* Copyright (c) 2015 Erik C. Thauvin (http://erik.thauvin.net/)
* All rights reserved.
*/
package net.thauvin.erik.httpstatus.taglibs;
import net.thauvin.erik.httpstatus.Reasons;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import java.io.IOException;
/**
* The <code>ReasonTag</code> class.
*
* @author <a href="mailto:erik@thauvin.net">Erik C. Thauvin</a>
* @created 2015-12-02
* @since 1.0
*/
public class ReasonTag extends SimpleTagSupport
{
private int statusCode;
private String defaultValue;
@Override
public void doTag()
throws JspException
{
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
try
{
try
{
if (statusCode > 0)
{
out.write(Reasons.getReasonPhrase(statusCode));
}
else
{
out.write(Reasons.getReasonPhrase(pageContext.getErrorData().getStatusCode()));
}
}
catch(NullPointerException npe)
{
if (defaultValue != null)
{
out.write(defaultValue);
}
else
{
out.write("");
}
}
}
catch (IOException e)
{
// Ignore.
}
}
/**
* Sets the status code.
*
* @param statusCode The status code.
*/
public void setStatusCode(int statusCode)
{
this.statusCode = statusCode;
}
/**
* Set the default value.
*
* @param defaultValue The default value.
*/
public void setDefault(String defaultValue)
{
this.defaultValue = defaultValue;
}
}

38
src/main/resources/META-INF/httpstatus.tld Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<taglib xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd"
version="2.1">
<description>HttpStatus JSP Tag Library</description>
<display-name>HttpStatus JSP Tags</display-name>
<tlib-version>1.0</tlib-version>
<short-name>hs</short-name>
<uri>http://erik.thauvin.net/taglibs/httpstatus</uri>
<tag>
<description>
Returns the Reason Phrase for the current (or specified) HTTP Status Error Code.
</description>
<name>reason</name>
<tag-class>net.thauvin.erik.httpstatus.taglibs.ReasonTag</tag-class>
<body-content>empty</body-content>
<attribute>
<description>
Default value if the resulting reason is null.
</description>
<name>default</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
<attribute>
<description>
HTTP Status Error Code to be looked up.
</description>
<name>statusCode</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
</taglib>

48
src/main/resources/reasons.properties Normal file
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100=Continue
101=Switching Protocols
102=Processing
200=OK
201=Created
202=Accepted
203=Non-Authoritative Information
204=No Content
205=Reset Content
206=Partial Content
207=Multi-Status
300=Multiple Choices
301=Moved Permanently
302=Moved Temporarily
303=See Other
304=Not Modified
305=Use Proxy
307=Temporary Redirect
400=Bad Request
401=Unauthorized
402=Payment Required
403=Forbidden
404=Not Found
405=Method Not Allowed
406=Not Acceptable
407=Proxy Authentication Required
408=Request Timeout
409=Conflict
410=Gone
411=Length Required
412=Precondition Failed
413=Request Entity Too Large
414=Request-URI Too Long
415=Unsupported Media Type
416=Requested Range Not Satisfiable
417=Expectation Failed
419=Insufficient Space on Resource
420=Method Failure
422=Unprocessable Entity
423=Locked
424=Failed Dependency
500=Internal Server Error
501=Not Implemented
502=Bad Gateway
503=Service Unavailable
504=Gateway Timeout
505=HTTP Version Not Supported
507=Insufficient Storage