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diff --git a/api/server/src/main/java/org/softwareheritage/graph/SwhId.java b/api/server/src/main/java/org/softwareheritage/graph/SwhId.java
index b413291..49dab71 100644
--- a/api/server/src/main/java/org/softwareheritage/graph/SwhId.java
+++ b/api/server/src/main/java/org/softwareheritage/graph/SwhId.java
@@ -1,59 +1,59 @@
package org.softwareheritage.graph;
import com.fasterxml.jackson.annotation.JsonValue;
public class SwhId {
public static final int HASH_LENGTH = 40;
String swhId;
String type;
String hash;
// SWH ID format: 'swh:1:type:hash'
// https://docs.softwareheritage.org/devel/swh-model/persistent-identifiers.html
public SwhId(String swhId) {
this.swhId = swhId;
String[] parts = swhId.split(":");
if (parts.length != 4 || !parts[0].equals("swh") || !parts[1].equals("1")) {
throw new IllegalArgumentException("Expected SWH ID format to be 'swh:1:type:hash', got: " + swhId);
}
this.type = parts[2];
if (!type.matches("cnt|dir|rel|rev|snp")) {
throw new IllegalArgumentException("Unknown SWH ID type in: " + swhId);
}
this.hash = parts[3];
if (!hash.matches("[0-9a-f]{" + HASH_LENGTH + "}")) {
- throw new IllegalArgumentException("Unknown SWH ID hash in: " + swhId);
+ throw new IllegalArgumentException("Wrong SWH ID hash format in: " + swhId);
}
}
@Override
public boolean equals(Object otherObj) {
if (otherObj == this) return true;
if (!(otherObj instanceof SwhId)) return false;
SwhId other = (SwhId) otherObj;
return swhId.equals(other.getSwhId());
}
@Override
public String toString() {
return swhId;
}
@JsonValue
public String getSwhId() {
return swhId;
}
public String getType() {
return type;
}
public String getHash() {
return hash;
}
}

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