[WFCORE-7695] Prune unused wildfly-patching code

patching/src/main/java/org/jboss/as/patching/Constants.java

@@ -5,8 +5,6 @@
 
 package org.jboss.as.patching;
 
-import org.jboss.msc.service.ServiceName;
-
 /**
  * @author Emanuel Muckenhuber
  */
@@ -16,17 +14,13 @@ public class Constants {
     public static final String BUNDLES = "bundles";
     public static final String CONFLICTS = "conflicts";
     public static final String CUMULATIVE = "cumulative-patch-id";
-    public static final String CURRENT_VERSION = "current-version";
     public static final String MESSAGE = "message";
     public static final String MISC = "misc";
     public static final String MODULES = "modules";
     public static final String NAME = "name";
     public static final String VERBOSE = "verbose";
     public static final String VERSION = "version";
-    public static final String UNKNOWN = "Unknown";
 
-    public static final String AGEOUT_HISTORY = "ageout-history";
-    public static final String AGED_OUT = "aged-out";
     public static final String EXCLUDE_AGED_OUT = "exclude-aged-out";
     public static final String PATCH = "patch";
     public static final String PATCH_ID = "patch-id";
@@ -39,31 +33,23 @@ public class Constants {
     public static final String SHOW_HISTORY = "show-history";
     /** The default if no patches are active. */
     public static final String BASE = "base";
-    public static final String NOT_PATCHED = BASE;
 
     public static final String OVERRIDE_MODULES = "override-modules";
     public static final String OVERRIDE_ALL = "override-all";
     public static final String OVERRIDE = "override";
     public static final String PRESERVE = "preserve";
 
-    public static final String APPLIED_AT = "applied-at";
     public static final String DESCRIPTION = "description";
     public static final String IDENTITY_NAME = "identity-name";
     public static final String IDENTITY_VERSION = "identity-version";
     public static final String LINK = "link";
-    public static final String TIMESTAMP = "timestamp";
     public static final String TYPE = "type";
 
     // Directories
-    public static final String APP_CLIENT = "appclient";
-    public static final String CONFIGURATION = "configuration";
-    public static final String DOMAIN = "domain";
     public static final String INSTALLATION = ".installation";
     public static final String METADATA = ".metadata";
-    public static final String RESTORED_CONFIGURATION = "restored-configuration";
     public static final String PATCHES = "patches";
     public static final String OVERLAYS = ".overlays";
-    public static final String STANDALONE = "standalone";
 
     public static final String ELEMENTS = "elements";
     public static final String LAYER = "layer";
@@ -78,13 +64,6 @@ public class Constants {
     public static final String IDENTITY_METADATA = "identity.conf";    // .installation/identity.conf
     public static final String INSTALLATION_METADATA = "layer.conf";   // .installation/layer/xxx/layer.conf
     public static final String LAYERS_CONF = "layers.conf";            // modules/layers.conf
-    public static final String ROLLBACK_XML = "rollback.xml";
     public static final String DOT_CONF = ".conf";
 
-    // Service names
-    public static final ServiceName JBOSS_AS = ServiceName.JBOSS.append("as");
-    public static final ServiceName JBOSS_PATCHING = ServiceName.JBOSS.append("patching");
-    public static final ServiceName JBOSS_PRODUCT_CONFIG_SERVICE = JBOSS_AS.append("product-config");
-    public static final String SYSTEM = "system";
-
 }

patching/src/main/java/org/jboss/as/patching/HashUtils.java

@@ -43,14 +43,6 @@ public static byte[] hashFile(File file) throws IOException {
         }
     }
 
-    public static byte[] hashBytes(byte[] bytes) throws IOException {
-        synchronized (DIGEST) {
-            DIGEST.reset();
-            DIGEST.update(bytes);
-            return DIGEST.digest();
-        }
-    }
-
     private static void updateDigest(MessageDigest digest, File file) throws IOException {
         if (file.isDirectory()) {
             File[] childList = file.listFiles();

patching/src/main/java/org/jboss/as/patching/IoUtils.java

@@ -30,28 +30,6 @@ public class IoUtils {
 
     private static final int DEFAULT_BUFFER_SIZE = 65536;
 
-    /**
-     * Copy input stream to output stream and close them both
-     *
-     * @param is input stream
-     * @param os output stream
-     *
-     * @throws IOException for any error
-     */
-    public static void copyStreamAndClose(InputStream is, OutputStream os) throws IOException {
-        try {
-            copyStream(is, os, DEFAULT_BUFFER_SIZE);
-            // throw an exception if the close fails since some data might be lost
-            is.close();
-            os.close();
-        }
-        finally {
-            // ...but still guarantee that they're both closed
-            safeClose(is);
-            safeClose(os);
-        }
-    }
-
     /**
      * Copy input stream to output stream without closing streams. Flushes output stream when done.
      *