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RequestParameterAccessor to allow simple access to Parameters in PrimitiveRequest #208

Merged
lars.winzer merged 7 commits from feat/21-requestparameteraccessor into main 2026-03-30 13:22:38 +02:00
Conversation 5 Commits 7 Files Changed 4
+9 -8
1 changed files with 9 additions and 8 deletions
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src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/parser/RequestParameterAccessor.java
+9 -8
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@@ -19,11 +19,9 @@ public class RequestParameterAccessor {
* @param parameters to use * @param parameters to use
*/ */
public RequestParameterAccessor(List<Parameter> parameters) { public RequestParameterAccessor(List<Parameter> parameters) {
this.index = parameters.stream() this.index =
.collect(Collectors.toUnmodifiableMap( parameters.stream()
Parameter::key, .collect(Collectors.toUnmodifiableMap(Parameter::key, Parameter::value));
Parameter::value
));
} }
/** /**
@@ -36,7 +34,8 @@ public class RequestParameterAccessor {
public String require(String key) throws MissingParameterException { public String require(String key) throws MissingParameterException {
String value = index.get(key); String value = index.get(key);
if (value == null) { if (value == null) {
throw new MissingParameterException("Required parameter with key '" + key + "' is missing.", key); throw new MissingParameterException(
"Required parameter with key '" + key + "' is missing.", key);
} }
return value; return value;
} }
@@ -51,7 +50,8 @@ public class RequestParameterAccessor {
* @throws MissingParameterException if no parameter with the given key exists * @throws MissingParameterException if no parameter with the given key exists
* @throws ParameterParseException if parsing the raw value fails * @throws ParameterParseException if parsing the raw value fails
*/ */
public <T> T require(String key, ThrowingParser<T> parser) throws MissingParameterException, ParameterParseException { public <T> T require(String key, ThrowingParser<T> parser)
throws MissingParameterException, ParameterParseException {
String value = require(key); String value = require(key);
try { try {
return parser.parse(value); return parser.parse(value);
@@ -85,7 +85,8 @@ public class RequestParameterAccessor {
* @return parsed parameter value or {@code defaultValue} if absent * @return parsed parameter value or {@code defaultValue} if absent
* @throws ParameterParseException if parsing the raw value fails * @throws ParameterParseException if parsing the raw value fails
*/ */
public <T> T optional(String key, T defaultValue, ThrowingParser<T> parser) throws ParameterParseException { public <T> T optional(String key, T defaultValue, ThrowingParser<T> parser)
throws ParameterParseException {
String value = index.get(key); String value = index.get(key);
if (value == null) { if (value == null) {
return defaultValue; return defaultValue;