erik/HttpStatus
erik/HttpStatus
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This commit is contained in:
Erik C. Thauvin 2016-07-18 18:17:22 -07:00
parent c707b342aa
commit 32a1bf3875
13 changed files with 588 additions and 516 deletions
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101
src/main/java/net/thauvin/erik/httpstatus/Reasons.java
View file

@ -43,66 +43,55 @@ import java.util.TreeMap;
* @created 2015-12-02
* @since 1.0
*/
public class Reasons
{
/**
* The resource bundle base name.
*/
public static final String BUNDLE_BASENAME = "net.thauvin.erik.httpstatus.reasons";
public class Reasons {
/**
* The resource bundle base name.
*/
public static final String BUNDLE_BASENAME = "net.thauvin.erik.httpstatus.reasons";
/**
* The reason phrases map.
*/
private static final Map<String, String> REASON_PHRASES = new TreeMap<String, String>();
/**
* The reason phrases map.
*/
private static final Map<String, String> REASON_PHRASES = new TreeMap<String, String>();
/**
* Returns 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(final int statusCode)
{
return getReasonPhrase(Integer.toString(statusCode));
}
// Initializes the reason phrases map.
static {
final ResourceBundle bundle = ResourceBundle.getBundle(BUNDLE_BASENAME);
for (final String key : bundle.keySet()) {
REASON_PHRASES.put(key, bundle.getString(key));
}
}
/**
* Returns 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(final String statusCode)
{
return REASON_PHRASES.get(statusCode);
}
/**
* Returns 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(final int statusCode) {
return getReasonPhrase(Integer.toString(statusCode));
}
/**
* Prints the status codes and reason phrases.
*
* @param args The command line arguments.
*/
public static void main(final String... args)
{
for (final Map.Entry<String, String> entry : REASON_PHRASES.entrySet())
{
System.out.println(entry.getKey() + ": " + entry.getValue());
}
/**
* Returns 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(final String statusCode) {
return REASON_PHRASES.get(statusCode);
}
System.out.println("Total: " + REASON_PHRASES.entrySet().size());
}
/**
* Prints the status codes and reason phrases.
*
* @param args The command line arguments.
*/
public static void main(final 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(BUNDLE_BASENAME);
for (final String key : bundle.keySet())
{
REASON_PHRASES.put(key, bundle.getString(key));
}
}
System.out.println("Total: " + REASON_PHRASES.entrySet().size());
}
}

155
src/main/java/net/thauvin/erik/httpstatus/Utils.java
View file

@ -41,95 +41,78 @@ import java.io.Writer;
* @created 2015-12-03
* @since 1.0
*/
public final class Utils
{
public final class Utils {
/**
* Disables the default constructor.
*
* @throws UnsupportedOperationException If the constructor is called.
*/
private Utils()
throws UnsupportedOperationException
{
throw new UnsupportedOperationException("Illegal constructor call.");
}
/**
* Disables the default constructor.
*
* @throws UnsupportedOperationException If the constructor is called.
*/
private Utils()
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Illegal constructor call.");
}
/**
* Writes a string value to the specified writer. The default value is used when the actual value is null.
*
* @param out The writer to output the value to.
* @param value The string value.
* @param defaultValue The default value.
* @param xml The {@link #escapeXml(String) xml} flag.
*
* @throws IOException f an I/O error occurs.
*/
public static void outWrite(final Writer out, final String value, final String defaultValue, final boolean xml)
throws IOException
{
if (xml)
{
if (value != null)
{
out.write(escapeXml(value));
}
else if (defaultValue != null)
{
out.write(escapeXml(defaultValue));
}
}
else
{
if (value != null)
{
out.write(value);
}
else if (defaultValue != null)
{
out.write(defaultValue);
}
}
}
/**
* Converts <code>&lt;</code>, <code>&gt;</code>, <code>&amp;</code>, <code>'</code>, <code>"</code>
* to their corresponding entity codes.
*
* @param value The string value to convert.
* @return The converted string value.
*/
public static String escapeXml(final String value) {
final StringBuilder escaped = new StringBuilder();
/**
* Converts <code>&lt;</code>, <code>&gt;</code>, <code>&amp;</code>, <code>'</code>, <code>"</code>
* to their corresponding entity codes.
*
* @param value The string value to convert.
*
* @return The converted string value.
*/
public static String escapeXml(final String value)
{
final StringBuilder escaped = new StringBuilder();
for (int i = 0; i < value.length(); i++) {
final char c = value.charAt(i);
switch (c) {
case '<':
escaped.append("&lt;");
break;
case '>':
escaped.append("&gt;");
break;
case '&':
escaped.append("&amp;");
break;
case '\'':
escaped.append("&#039;");
break;
case '"':
escaped.append("&#034;");
break;
default:
escaped.append(c);
break;
}
}
for (int i = 0; i < value.length(); i++)
{
final char c = value.charAt(i);
switch (c)
{
case '<':
escaped.append("&lt;");
break;
case '>':
escaped.append("&gt;");
break;
case '&':
escaped.append("&amp;");
break;
case '\'':
escaped.append("&#039;");
break;
case '"':
escaped.append("&#034;");
break;
default:
escaped.append(c);
break;
}
}
return escaped.toString();
}
return escaped.toString();
}
/**
* Writes a string value to the specified writer. The default value is used when the actual value is null.
*
* @param out The writer to output the value to.
* @param value The string value.
* @param defaultValue The default value.
* @param xml The {@link #escapeXml(String) xml} flag.
* @throws IOException f an I/O error occurs.
*/
public static void outWrite(final Writer out, final String value, final String defaultValue, final boolean xml)
throws IOException {
if (xml) {
if (value != null) {
out.write(escapeXml(value));
} else if (defaultValue != null) {
out.write(escapeXml(defaultValue));
}
} else {
if (value != null) {
out.write(value);
} else if (defaultValue != null) {
out.write(defaultValue);
}
}
}
}

39
src/main/java/net/thauvin/erik/httpstatus/taglibs/CauseTag.java
View file

@ -45,29 +45,24 @@ import java.io.IOException;
* @created 2015-12-03
* @since 1.0
*/
public class CauseTag extends XmlSupport
{
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException
{
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
public class CauseTag extends XmlSupport {
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException {
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
String cause;
String cause;
try
{
cause = pageContext.getErrorData().getThrowable().getCause().getLocalizedMessage();
}
catch (NullPointerException ignore)
{
cause = defaultValue;
}
try {
cause = pageContext.getErrorData().getThrowable().getCause().getLocalizedMessage();
} catch (NullPointerException ignore) {
cause = defaultValue;
}
Utils.outWrite(out, cause, defaultValue, escapeXml);
}
Utils.outWrite(out, cause, defaultValue, escapeXml);
}
}

24
src/main/java/net/thauvin/erik/httpstatus/taglibs/CodeTag.java
View file

@ -44,18 +44,16 @@ import java.io.IOException;
* @created 2015-12-03
* @since 1.0
*/
public class CodeTag extends SimpleTagSupport
{
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException
{
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
public class CodeTag extends SimpleTagSupport {
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException {
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
out.write(String.valueOf(pageContext.getErrorData().getStatusCode()));
}
out.write(String.valueOf(pageContext.getErrorData().getStatusCode()));
}
}

73
src/main/java/net/thauvin/erik/httpstatus/taglibs/ReasonTag.java
View file

@ -47,50 +47,41 @@ import java.io.IOException;
* @created 2015-12-02
* @since 1.0
*/
public class ReasonTag extends XmlSupport
{
private int statusCode;
public class ReasonTag extends XmlSupport {
private int statusCode;
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException
{
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
/**
* {@inheritDoc}
*/
@Override
public void doTag()
throws JspException, IOException {
final PageContext pageContext = (PageContext) getJspContext();
final JspWriter out = pageContext.getOut();
try
{
if (statusCode >= 0)
{
Utils.outWrite(out, Reasons.getReasonPhrase(statusCode), defaultValue, escapeXml);
}
else
{
Utils.outWrite(out,
Reasons.getReasonPhrase(pageContext.getErrorData().getStatusCode()),
defaultValue,
escapeXml);
}
}
catch (IOException ignore)
{
// Ignore.
}
}
try {
if (statusCode >= 0) {
Utils.outWrite(out, Reasons.getReasonPhrase(statusCode), defaultValue, escapeXml);
} else {
Utils.outWrite(out,
Reasons.getReasonPhrase(pageContext.getErrorData().getStatusCode()),
defaultValue,
escapeXml);
}
} catch (IOException ignore) {
// Ignore.
}
}
/**
* Sets the status code.
*
* @param statusCode The status code.
*/
@SuppressWarnings("unused")
public void setCode(final int statusCode)
{
this.statusCode = statusCode;
}
/**
* Sets the status code.
*
* @param statusCode The status code.
*/
@SuppressWarnings("unused")
public void setCode(final int statusCode) {
this.statusCode = statusCode;
}
}

57
src/main/java/net/thauvin/erik/httpstatus/taglibs/XmlSupport.java
View file

@ -40,37 +40,34 @@ import javax.servlet.jsp.tagext.SimpleTagSupport;
* @created 2015-12-03
* @since 1.0
*/
public abstract class XmlSupport extends SimpleTagSupport
{
/**
* Default value string.
*/
protected String defaultValue;
public abstract class XmlSupport extends SimpleTagSupport {
/**
* Default value string.
*/
protected String defaultValue;
/**
* Escape XML flag.
*/
protected boolean escapeXml = true;
/**
* Escape XML flag.
*/
protected boolean escapeXml = true;
/**
* Sets the default value.
*
* @param defaultValue The default value.
*/
@SuppressWarnings("unused")
public void setDefault(final String defaultValue)
{
this.defaultValue = defaultValue;
}
/**
* Sets the default value.
*
* @param defaultValue The default value.
*/
@SuppressWarnings("unused")
public void setDefault(final String defaultValue) {
this.defaultValue = defaultValue;
}
/**
* Sets the {@link net.thauvin.erik.httpstatus.Utils#escapeXml(String) xml} flag.
*
* @param escapeXml <code>true</code> or <code>false</code>
*/
@SuppressWarnings("unused")
public void setEscapeXml(final boolean escapeXml)
{
this.escapeXml = escapeXml;
}
/**
* Sets the {@link net.thauvin.erik.httpstatus.Utils#escapeXml(String) xml} flag.
*
* @param escapeXml <code>true</code> or <code>false</code>
*/
@SuppressWarnings("unused")
public void setEscapeXml(final boolean escapeXml) {
this.escapeXml = escapeXml;
}
}