X-Git-Url: http://git.nikiroo.be/?p=nikiroo-utils.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2FCache.java;h=2b32d78d67c03d20ba94148b8f92b2f7bdabda23;hp=111fc769b9a5ded89c772d0ff2ede551cfcf080c;hb=e8aa5bf9227a0d6a6d0bb6a8bc0cc04d0f4d601a;hpb=805005449dacb1e7b825db63836bf100e472ddd0 diff --git a/src/be/nikiroo/utils/Cache.java b/src/be/nikiroo/utils/Cache.java index 111fc76..2b32d78 100644 --- a/src/be/nikiroo/utils/Cache.java +++ b/src/be/nikiroo/utils/Cache.java @@ -21,6 +21,12 @@ public class Cache { private long tooOldStable; private TraceHandler tracer = new TraceHandler(); + /** + * Only for inheritance. + */ + protected Cache() { + } + /** * Create a new {@link Cache} object. * @@ -77,6 +83,24 @@ public class Cache { this.tracer = tracer; } + /** + * Check the resource to see if it is in the cache. + * + * @param uniqueID + * the resource to check + * @param allowTooOld + * allow files even if they are considered too old + * @param stable + * a stable file (that dones't change too often) -- parameter + * used to check if the file is too old to keep or not + * + * @return TRUE if it is + * + */ + public boolean check(String uniqueID, boolean allowTooOld, boolean stable) { + return check(getCached(uniqueID), allowTooOld, stable); + } + /** * Check the resource to see if it is in the cache. * @@ -92,9 +116,26 @@ public class Cache { * */ public boolean check(URL url, boolean allowTooOld, boolean stable) { - File file = getCached(url); - if (file.exists() && file.isFile()) { - if (allowTooOld || !isOld(file, stable)) { + return check(getCached(url), allowTooOld, stable); + } + + /** + * Check the resource to see if it is in the cache. + * + * @param cached + * the resource to check + * @param allowTooOld + * allow files even if they are considered too old + * @param stable + * a stable file (that dones't change too often) -- parameter + * used to check if the file is too old to keep or not + * + * @return TRUE if it is + * + */ + private boolean check(File cached, boolean allowTooOld, boolean stable) { + if (cached.exists() && cached.isFile()) { + if (allowTooOld || !isOld(cached, stable)) { return true; } } @@ -214,15 +255,13 @@ public class Cache { * @param uniqueID * a unique ID used to locate the cached resource * - * @return the resulting {@link File} - * * @throws IOException * in case of I/O error */ - public File save(InputStream in, String uniqueID) throws IOException { + public void save(InputStream in, String uniqueID) throws IOException { File cached = getCached(uniqueID); cached.getParentFile().mkdirs(); - return save(in, cached); + save(in, cached); } /** @@ -233,14 +272,12 @@ public class Cache { * @param url * the {@link URL} used to locate the cached resource * - * @return the actual cache file - * * @throws IOException * in case of I/O error */ - public File save(InputStream in, URL url) throws IOException { + public void save(InputStream in, URL url) throws IOException { File cached = getCached(url); - return save(in, cached); + save(in, cached); } /** @@ -251,14 +288,11 @@ public class Cache { * @param cached * the cached {@link File} to save to * - * @return the actual cache file - * * @throws IOException * in case of I/O error */ - private File save(InputStream in, File cached) throws IOException { + private void save(InputStream in, File cached) throws IOException { IOUtils.write(in, cached); - return cached; } /**