From 4cd64dd5d8def0f05e39ec1b6abe118e6b52d4cc Mon Sep 17 00:00:00 2001
From: Niki Roo <niki@nikiroo.be>
Date: Mon, 6 Apr 2020 12:20:06 +0200
Subject: [PATCH] fix CacheMemory stackoverflow

---
 changelog.md                          |  7 ++++++
 src/be/nikiroo/utils/CacheMemory.java | 33 +++++++++++++++++++--------
 2 files changed, 31 insertions(+), 9 deletions(-)

diff --git a/changelog.md b/changelog.md
index 395fae0..21f865f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # nikiroo-utils
 
+## Version WIP
+
+- new: IOUtils: openResource with anchor class
+- new: ConfigItem: easier to extend
+- fix: CacheMemory: fix stackoverflow bug
+- fix: Bundles/TransBundles: def values
+
 ## Version 5.1.0
 
 - Downloader: new Offline mode for cache accesses only
diff --git a/src/be/nikiroo/utils/CacheMemory.java b/src/be/nikiroo/utils/CacheMemory.java
index 232b632..de4fae3 100644
--- a/src/be/nikiroo/utils/CacheMemory.java
+++ b/src/be/nikiroo/utils/CacheMemory.java
@@ -1,5 +1,6 @@
 package be.nikiroo.utils;
 
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
@@ -12,12 +13,13 @@ import java.util.Map;
  * @author niki
  */
 public class CacheMemory extends Cache {
-	private Map<String, byte[]> data = new HashMap<String, byte[]>();
+	private Map<String, byte[]> data;
 
 	/**
 	 * Create a new {@link CacheMemory}.
 	 */
 	public CacheMemory() {
+		data = new HashMap<String, byte[]>();
 	}
 
 	@Override
@@ -44,7 +46,7 @@ public class CacheMemory extends Cache {
 	@Override
 	public InputStream load(String uniqueID, boolean allowTooOld, boolean stable) {
 		if (check(uniqueID, allowTooOld, stable)) {
-			return load(uniqueID, allowTooOld, stable);
+			return load(getKey(uniqueID));
 		}
 
 		return null;
@@ -53,7 +55,7 @@ public class CacheMemory extends Cache {
 	@Override
 	public InputStream load(URL url, boolean allowTooOld, boolean stable) {
 		if (check(url, allowTooOld, stable)) {
-			return load(url, allowTooOld, stable);
+			return load(getKey(url));
 		}
 
 		return null;
@@ -86,24 +88,37 @@ public class CacheMemory extends Cache {
 	/**
 	 * Return a key mapping to the given unique ID.
 	 * 
-	 * @param uniqueID
-	 *            the unique ID
+	 * @param uniqueID the unique ID
 	 * 
 	 * @return the key
 	 */
 	private String getKey(String uniqueID) {
-		return "_/" + uniqueID;
+		return "UID:" + uniqueID;
 	}
 
 	/**
 	 * Return a key mapping to the given urm.
 	 * 
-	 * @param url
-	 *            thr url
+	 * @param url the url
 	 * 
 	 * @return the key
 	 */
 	private String getKey(URL url) {
-		return url.toString();
+		return "URL:" + url.toString();
+	}
+
+	/**
+	 * Load the given key.
+	 * 
+	 * @param key the key to load
+	 * @return the loaded data
+	 */
+	private InputStream load(String key) {
+		byte[] data = this.data.get(key);
+		if (data != null) {
+			return new ByteArrayInputStream(data);
+		}
+
+		return null;
 	}
 }
-- 
2.27.0