import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collections;
-import java.util.HashMap;
import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
import org.eclipse.jgit.lib.Config;
private static final String KEY_TIMEOUT = "timeout"; //$NON-NLS-1$
- private static final String KEY_INSTEADOF = "insteadof"; //$NON-NLS-1$
-
- private static final String KEY_PUSHINSTEADOF = "pushinsteadof"; //$NON-NLS-1$
-
private static final boolean DEFAULT_MIRROR = false;
/** Default value for {@link #getUploadPack()} if not specified. */
String val;
vlst = rc.getStringList(SECTION, name, KEY_URL);
- Map<String, String> insteadOf = getReplacements(rc, KEY_INSTEADOF);
+ UrlConfig urls = new UrlConfig(rc);
uris = new ArrayList<>(vlst.length);
for (String s : vlst) {
- uris.add(new URIish(replaceUri(s, insteadOf)));
+ uris.add(new URIish(urls.replace(s)));
}
String[] plst = rc.getStringList(SECTION, name, KEY_PUSHURL);
pushURIs = new ArrayList<>(plst.length);
if (pushURIs.isEmpty()) {
// Would default to the uris. If we have pushinsteadof, we must
// supply rewritten push uris.
- Map<String, String> pushInsteadOf = getReplacements(rc,
- KEY_PUSHINSTEADOF);
- if (!pushInsteadOf.isEmpty()) {
+ if (urls.hasPushReplacements()) {
for (String s : vlst) {
- String replaced = replaceUri(s, pushInsteadOf);
+ String replaced = urls.replacePush(s);
if (!s.equals(replaced)) {
pushURIs.add(new URIish(replaced));
}
rc.unset(SECTION, getName(), key);
}
- private Map<String, String> getReplacements(final Config config,
- final String keyName) {
- final Map<String, String> replacements = new HashMap<>();
- for (String url : config.getSubsections(KEY_URL))
- for (String insteadOf : config.getStringList(KEY_URL, url, keyName))
- replacements.put(insteadOf, url);
- return replacements;
- }
-
- private String replaceUri(final String uri,
- final Map<String, String> replacements) {
- if (replacements.isEmpty()) {
- return uri;
- }
- Entry<String, String> match = null;
- for (Entry<String, String> replacement : replacements.entrySet()) {
- // Ignore current entry if not longer than previous match
- if (match != null
- && match.getKey().length() > replacement.getKey()
- .length()) {
- continue;
- }
- if (!uri.startsWith(replacement.getKey())) {
- continue;
- }
- match = replacement;
- }
- if (match != null) {
- return match.getValue() + uri.substring(match.getKey().length());
- }
- return uri;
- }
-
/**
* Get the local name this remote configuration is recognized as.
*
--- /dev/null
+/*
+ * Copyright (C) 2022 Thomas Wolf <thomas.wolf@paranor.ch> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.transport;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.eclipse.jgit.lib.Config;
+
+/**
+ * Support for URL translations via git configs {@code url.<base>.insteadOf} and
+ * {@code url.<base>.pushInsteadOf}.
+ *
+ * @since 6.2
+ */
+public class UrlConfig {
+
+ private static final String KEY_INSTEADOF = "insteadof"; //$NON-NLS-1$
+
+ private static final String KEY_PUSHINSTEADOF = "pushinsteadof"; //$NON-NLS-1$
+
+ private static final String SECTION_URL = "url"; //$NON-NLS-1$
+
+ private final Config config;
+
+ private Map<String, String> insteadOf;
+
+ private Map<String, String> pushInsteadOf;
+
+ /**
+ * Creates a new {@link UrlConfig} instance.
+ *
+ * @param config
+ * {@link Config} to read values from
+ */
+ public UrlConfig(Config config) {
+ this.config = config;
+ }
+
+ /**
+ * Performs replacements as defined by git config
+ * {@code url.<base>.insteadOf}. If there is no match, the input is returned
+ * unchanged.
+ *
+ * @param url
+ * to substitute
+ * @return the {@code url} with substitution applied
+ */
+ public String replace(String url) {
+ if (insteadOf == null) {
+ insteadOf = load(KEY_INSTEADOF);
+ }
+ return replace(url, insteadOf);
+ }
+
+ /**
+ * Tells whether there are push replacements.
+ *
+ * @return {@code true} if there are push replacements, {@code false}
+ * otherwise
+ */
+ public boolean hasPushReplacements() {
+ if (pushInsteadOf == null) {
+ pushInsteadOf = load(KEY_PUSHINSTEADOF);
+ }
+ return !pushInsteadOf.isEmpty();
+ }
+
+ /**
+ * Performs replacements as defined by git config
+ * {@code url.<base>.pushInsteadOf}. If there is no match, the input is
+ * returned unchanged.
+ *
+ * @param url
+ * to substitute
+ * @return the {@code url} with substitution applied
+ */
+ public String replacePush(String url) {
+ if (pushInsteadOf == null) {
+ pushInsteadOf = load(KEY_PUSHINSTEADOF);
+ }
+ return replace(url, pushInsteadOf);
+ }
+
+ private Map<String, String> load(String key) {
+ Map<String, String> replacements = new HashMap<>();
+ for (String url : config.getSubsections(SECTION_URL)) {
+ for (String prefix : config.getStringList(SECTION_URL, url, key)) {
+ replacements.put(prefix, url);
+ }
+ }
+ return replacements;
+ }
+
+ private String replace(String uri, Map<String, String> replacements) {
+ Entry<String, String> match = null;
+ for (Entry<String, String> replacement : replacements.entrySet()) {
+ // Ignore current entry if not longer than previous match
+ if (match != null && match.getKey().length() > replacement.getKey()
+ .length()) {
+ continue;
+ }
+ if (uri.startsWith(replacement.getKey())) {
+ match = replacement;
+ }
+ }
+ if (match != null) {
+ return match.getValue() + uri.substring(match.getKey().length());
+ }
+ return uri;
+ }
+}