| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.fs.http.server; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.fs.XAttrCodec; |
| import org.apache.hadoop.fs.XAttrSetFlag; |
| import org.apache.hadoop.fs.http.client.HttpFSFileSystem; |
| import org.apache.hadoop.fs.http.client.HttpFSFileSystem.Operation; |
| import org.apache.hadoop.lib.wsrs.BooleanParam; |
| import org.apache.hadoop.lib.wsrs.EnumParam; |
| import org.apache.hadoop.lib.wsrs.EnumSetParam; |
| import org.apache.hadoop.lib.wsrs.LongParam; |
| import org.apache.hadoop.lib.wsrs.Param; |
| import org.apache.hadoop.lib.wsrs.ParametersProvider; |
| import org.apache.hadoop.lib.wsrs.ShortParam; |
| import org.apache.hadoop.lib.wsrs.StringParam; |
| import org.apache.hadoop.util.StringUtils; |
| |
| import javax.ws.rs.ext.Provider; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.regex.Pattern; |
| |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEBHDFS_ACL_PERMISSION_PATTERN_DEFAULT; |
| |
| /** |
| * HttpFS ParametersProvider. |
| */ |
| @Provider |
| @InterfaceAudience.Private |
| @SuppressWarnings("unchecked") |
| public class HttpFSParametersProvider extends ParametersProvider { |
| |
| private static final Map<Enum, Class<Param<?>>[]> PARAMS_DEF = |
| new HashMap<Enum, Class<Param<?>>[]>(); |
| |
| static { |
| PARAMS_DEF.put(Operation.OPEN, |
| new Class[]{OffsetParam.class, LenParam.class}); |
| PARAMS_DEF.put(Operation.GETFILESTATUS, new Class[]{}); |
| PARAMS_DEF.put(Operation.LISTSTATUS, new Class[]{FilterParam.class}); |
| PARAMS_DEF.put(Operation.GETHOMEDIRECTORY, new Class[]{}); |
| PARAMS_DEF.put(Operation.GETCONTENTSUMMARY, new Class[]{}); |
| PARAMS_DEF.put(Operation.GETQUOTAUSAGE, new Class[]{}); |
| PARAMS_DEF.put(Operation.GETFILECHECKSUM, new Class[]{}); |
| PARAMS_DEF.put(Operation.GETFILEBLOCKLOCATIONS, |
| new Class[] {OffsetParam.class, LenParam.class}); |
| PARAMS_DEF.put(Operation.GETACLSTATUS, new Class[]{}); |
| PARAMS_DEF.put(Operation.GETTRASHROOT, new Class[]{}); |
| PARAMS_DEF.put(Operation.INSTRUMENTATION, new Class[]{}); |
| PARAMS_DEF.put(Operation.APPEND, new Class[]{DataParam.class}); |
| PARAMS_DEF.put(Operation.CONCAT, new Class[]{SourcesParam.class}); |
| PARAMS_DEF.put(Operation.TRUNCATE, new Class[]{NewLengthParam.class}); |
| PARAMS_DEF.put(Operation.CREATE, |
| new Class[]{PermissionParam.class, OverwriteParam.class, |
| ReplicationParam.class, BlockSizeParam.class, DataParam.class}); |
| PARAMS_DEF.put(Operation.MKDIRS, new Class[]{PermissionParam.class}); |
| PARAMS_DEF.put(Operation.RENAME, new Class[]{DestinationParam.class}); |
| PARAMS_DEF.put(Operation.SETOWNER, |
| new Class[]{OwnerParam.class, GroupParam.class}); |
| PARAMS_DEF.put(Operation.SETPERMISSION, new Class[]{PermissionParam.class}); |
| PARAMS_DEF.put(Operation.SETREPLICATION, |
| new Class[]{ReplicationParam.class}); |
| PARAMS_DEF.put(Operation.SETTIMES, |
| new Class[]{ModifiedTimeParam.class, AccessTimeParam.class}); |
| PARAMS_DEF.put(Operation.DELETE, new Class[]{RecursiveParam.class}); |
| PARAMS_DEF.put(Operation.SETACL, new Class[]{AclPermissionParam.class}); |
| PARAMS_DEF.put(Operation.REMOVEACL, new Class[]{}); |
| PARAMS_DEF.put(Operation.MODIFYACLENTRIES, |
| new Class[]{AclPermissionParam.class}); |
| PARAMS_DEF.put(Operation.REMOVEACLENTRIES, |
| new Class[]{AclPermissionParam.class}); |
| PARAMS_DEF.put(Operation.REMOVEDEFAULTACL, new Class[]{}); |
| PARAMS_DEF.put(Operation.SETXATTR, |
| new Class[]{XAttrNameParam.class, XAttrValueParam.class, |
| XAttrSetFlagParam.class}); |
| PARAMS_DEF.put(Operation.REMOVEXATTR, new Class[]{XAttrNameParam.class}); |
| PARAMS_DEF.put(Operation.GETXATTRS, |
| new Class[]{XAttrNameParam.class, XAttrEncodingParam.class}); |
| PARAMS_DEF.put(Operation.LISTXATTRS, new Class[]{}); |
| PARAMS_DEF.put(Operation.LISTSTATUS_BATCH, |
| new Class[]{StartAfterParam.class}); |
| PARAMS_DEF.put(Operation.GETALLSTORAGEPOLICY, new Class[] {}); |
| PARAMS_DEF.put(Operation.GETSTORAGEPOLICY, new Class[] {}); |
| PARAMS_DEF.put(Operation.SETSTORAGEPOLICY, |
| new Class[] {PolicyNameParam.class}); |
| PARAMS_DEF.put(Operation.UNSETSTORAGEPOLICY, new Class[] {}); |
| PARAMS_DEF.put(Operation.CREATESNAPSHOT, |
| new Class[] {SnapshotNameParam.class}); |
| PARAMS_DEF.put(Operation.DELETESNAPSHOT, |
| new Class[] {SnapshotNameParam.class}); |
| PARAMS_DEF.put(Operation.RENAMESNAPSHOT, |
| new Class[] {OldSnapshotNameParam.class, |
| SnapshotNameParam.class}); |
| } |
| |
| public HttpFSParametersProvider() { |
| super(HttpFSFileSystem.OP_PARAM, HttpFSFileSystem.Operation.class, |
| PARAMS_DEF); |
| } |
| |
| /** |
| * Class for access-time parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class AccessTimeParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.ACCESS_TIME_PARAM; |
| /** |
| * Constructor. |
| */ |
| public AccessTimeParam() { |
| super(NAME, -1l); |
| } |
| } |
| |
| /** |
| * Class for block-size parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class BlockSizeParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.BLOCKSIZE_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public BlockSizeParam() { |
| super(NAME, -1l); |
| } |
| } |
| |
| /** |
| * Class for data parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class DataParam extends BooleanParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = "data"; |
| |
| /** |
| * Constructor. |
| */ |
| public DataParam() { |
| super(NAME, false); |
| } |
| } |
| |
| /** |
| * Class for operation parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class OperationParam extends EnumParam<HttpFSFileSystem.Operation> { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.OP_PARAM; |
| /** |
| * Constructor. |
| */ |
| public OperationParam(String operation) { |
| super(NAME, HttpFSFileSystem.Operation.class, |
| HttpFSFileSystem.Operation.valueOf( |
| StringUtils.toUpperCase(operation))); |
| } |
| } |
| |
| /** |
| * Class for delete's recursive parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class RecursiveParam extends BooleanParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.RECURSIVE_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public RecursiveParam() { |
| super(NAME, false); |
| } |
| } |
| |
| /** |
| * Class for filter parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class FilterParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = "filter"; |
| |
| /** |
| * Constructor. |
| */ |
| public FilterParam() { |
| super(NAME, null); |
| } |
| |
| } |
| |
| /** |
| * Class for group parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class GroupParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.GROUP_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public GroupParam() { |
| super(NAME, null); |
| } |
| |
| } |
| |
| /** |
| * Class for len parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class LenParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = "length"; |
| |
| /** |
| * Constructor. |
| */ |
| public LenParam() { |
| super(NAME, -1l); |
| } |
| } |
| |
| /** |
| * Class for modified-time parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class ModifiedTimeParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.MODIFICATION_TIME_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public ModifiedTimeParam() { |
| super(NAME, -1l); |
| } |
| } |
| |
| /** |
| * Class for offset parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class OffsetParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = "offset"; |
| |
| /** |
| * Constructor. |
| */ |
| public OffsetParam() { |
| super(NAME, 0l); |
| } |
| } |
| |
| /** |
| * Class for newlength parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class NewLengthParam extends LongParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.NEW_LENGTH_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public NewLengthParam() { |
| super(NAME, 0l); |
| } |
| } |
| |
| /** |
| * Class for overwrite parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class OverwriteParam extends BooleanParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.OVERWRITE_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public OverwriteParam() { |
| super(NAME, true); |
| } |
| } |
| |
| /** |
| * Class for owner parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class OwnerParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.OWNER_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public OwnerParam() { |
| super(NAME, null); |
| } |
| |
| } |
| |
| /** |
| * Class for permission parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class PermissionParam extends ShortParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.PERMISSION_PARAM; |
| |
| |
| /** |
| * Constructor. |
| */ |
| public PermissionParam() { |
| super(NAME, HttpFSFileSystem.DEFAULT_PERMISSION, 8); |
| } |
| |
| } |
| |
| /** |
| * Class for AclPermission parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class AclPermissionParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.ACLSPEC_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public AclPermissionParam() { |
| super(NAME, HttpFSFileSystem.ACLSPEC_DEFAULT, |
| Pattern.compile(DFS_WEBHDFS_ACL_PERMISSION_PATTERN_DEFAULT)); |
| } |
| } |
| |
| /** |
| * Class for replication parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class ReplicationParam extends ShortParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.REPLICATION_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public ReplicationParam() { |
| super(NAME, (short) -1); |
| } |
| } |
| |
| /** |
| * Class for concat sources parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class SourcesParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.SOURCES_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public SourcesParam() { |
| super(NAME, null); |
| } |
| } |
| |
| /** |
| * Class for to-path parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class DestinationParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.DESTINATION_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public DestinationParam() { |
| super(NAME, null); |
| } |
| } |
| |
| /** |
| * Class for xattr parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class XAttrNameParam extends StringParam { |
| public static final String XATTR_NAME_REGX = |
| "^(user\\.|trusted\\.|system\\.|security\\.).+"; |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.XATTR_NAME_PARAM; |
| private static final Pattern pattern = Pattern.compile(XATTR_NAME_REGX); |
| |
| /** |
| * Constructor. |
| */ |
| public XAttrNameParam() { |
| super(NAME, null, pattern); |
| } |
| } |
| |
| /** |
| * Class for xattr parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class XAttrValueParam extends StringParam { |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.XATTR_VALUE_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public XAttrValueParam() { |
| super(NAME, null); |
| } |
| } |
| |
| /** |
| * Class for xattr parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class XAttrSetFlagParam extends EnumSetParam<XAttrSetFlag> { |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.XATTR_SET_FLAG_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public XAttrSetFlagParam() { |
| super(NAME, XAttrSetFlag.class, null); |
| } |
| } |
| |
| /** |
| * Class for xattr parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class XAttrEncodingParam extends EnumParam<XAttrCodec> { |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.XATTR_ENCODING_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public XAttrEncodingParam() { |
| super(NAME, XAttrCodec.class, null); |
| } |
| } |
| |
| /** |
| * Class for startafter parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class StartAfterParam extends StringParam { |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.START_AFTER_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public StartAfterParam() { |
| super(NAME, null); |
| } |
| } |
| |
| /** |
| * Class for policyName parameter. |
| */ |
| @InterfaceAudience.Private |
| public static class PolicyNameParam extends StringParam { |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.POLICY_NAME_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public PolicyNameParam() { |
| super(NAME, null); |
| } |
| } |
| |
| /** |
| * Class for SnapshotName parameter. |
| */ |
| public static class SnapshotNameParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.SNAPSHOT_NAME_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public SnapshotNameParam() { |
| super(NAME, null); |
| } |
| |
| } |
| |
| /** |
| * Class for OldSnapshotName parameter. |
| */ |
| public static class OldSnapshotNameParam extends StringParam { |
| |
| /** |
| * Parameter name. |
| */ |
| public static final String NAME = HttpFSFileSystem.OLD_SNAPSHOT_NAME_PARAM; |
| |
| /** |
| * Constructor. |
| */ |
| public OldSnapshotNameParam() { |
| super(NAME, null); |
| } |
| } |
| |
| } |