Class DOIResolver

java.lang.Object

org.episteme.core.bibliography.DOIResolver

public class DOIResolver
extends Object

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static Map<String,String>	fetchMetadata(String doi)	Fetches metadata from CrossRef API.
static String	formatAsLink(String doi)	Creates a citation-ready DOI link.
static boolean	isValidDOI(String doi)	Validates DOI format.
static String	normalize(String doi)	Normalizes a DOI string.
static String	resolveToUrl(String doi)	Resolves a DOI to its target URL.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

resolveToUrl

public static String resolveToUrl(String doi)

Resolves a DOI to its target URL.

Parameters:

doi - DOI string (e.g., "10.1000/xyz123")

Returns:

Resolved URL

normalize

public static String normalize(String doi)

Normalizes a DOI string.

isValidDOI

public static boolean isValidDOI(String doi)

Validates DOI format. DOIs start with 10. and have a prefix/suffix structure.

fetchMetadata

public static Map<String,String> fetchMetadata(String doi)

Fetches metadata from CrossRef API. Note: This is a simplified implementation that returns raw JSON. In production, parse the JSON properly.

Parameters:

doi - DOI string

Returns:

Map with basic metadata or null on failure

formatAsLink

public static String formatAsLink(String doi)

Creates a citation-ready DOI link.