Java tutorial
/** * Copyright (C) 2016 Red Hat, Inc. * * Licensed 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 io.syndesis.rest.v1.handler.connection; import java.util.Date; import java.util.Set; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.validation.Validator; import javax.validation.constraints.NotNull; import javax.validation.groups.ConvertGroup; import javax.validation.groups.Default; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.core.Context; import javax.ws.rs.core.SecurityContext; import io.swagger.annotations.Api; import io.swagger.annotations.ApiParam; import io.syndesis.credential.CredentialFlowState; import io.syndesis.credential.Credentials; import io.syndesis.dao.manager.DataManager; import io.syndesis.model.Kind; import io.syndesis.model.connection.Connection; import io.syndesis.model.connection.Connector; import io.syndesis.model.validation.AllValidations; import io.syndesis.rest.v1.handler.BaseHandler; import io.syndesis.rest.v1.operations.Creator; import io.syndesis.rest.v1.operations.Deleter; import io.syndesis.rest.v1.operations.Getter; import io.syndesis.rest.v1.operations.Lister; import io.syndesis.rest.v1.operations.Updater; import io.syndesis.rest.v1.operations.Validating; import io.syndesis.rest.v1.state.ClientSideState; import io.syndesis.verifier.VerificationConfigurationProperties; import org.springframework.stereotype.Component; @Path("/connections") @Api(value = "connections") @Component public class ConnectionHandler extends BaseHandler implements Lister<Connection>, Getter<Connection>, Creator<Connection>, Deleter<Connection>, Updater<Connection>, Validating<Connection> { private final Credentials credentials; private final ClientSideState state; @Context private HttpServletRequest request; @Context private HttpServletResponse response; private final Validator validator; private final VerificationConfigurationProperties config; public ConnectionHandler(final DataManager dataMgr, final Validator validator, final Credentials credentials, final ClientSideState state, VerificationConfigurationProperties config) { super(dataMgr); this.validator = validator; this.credentials = credentials; this.state = state; this.config = config; } @Override public Kind resourceKind() { return Kind.Connection; } @Override public Connection get(final String id) { Connection connection = Getter.super.get(id); if (connection.getConnectorId().isPresent()) { final Connector connector = getDataManager().fetch(Connector.class, connection.getConnectorId().get()); connection = new Connection.Builder().createFrom(connection).connector(connector).build(); } return connection; } @Override public Connection create(@Context SecurityContext sec, @ConvertGroup(from = Default.class, to = AllValidations.class) final Connection connection) { final Date rightNow = new Date(); final Connection updatedConnection = new Connection.Builder().createFrom(connection).createdDate(rightNow) .lastUpdated(rightNow).userId(sec.getUserPrincipal().getName()).build(); final Set<CredentialFlowState> flowStates = CredentialFlowState.Builder.restoreFrom(state::restoreFrom, request); final Connection connectionToCreate = flowStates.stream().map(s -> { final Cookie removal = new Cookie(s.persistenceKey(), ""); removal.setPath("/"); removal.setMaxAge(0); response.addCookie(removal); return credentials.apply(updatedConnection, s); }).findFirst().orElse(updatedConnection); return Creator.super.create(sec, connectionToCreate); } @Override public void update(final String id, @ConvertGroup(from = Default.class, to = AllValidations.class) final Connection connection) { final Connection updatedConnection = new Connection.Builder().createFrom(connection).lastUpdated(new Date()) .build(); Updater.super.update(id, updatedConnection); } @Path("/{id}/actions") public ConnectionActionHandler credentials( @NotNull final @PathParam("id") @ApiParam(required = true, example = "my-connection") String connectionId) { final Connection connection = get(connectionId); return new ConnectionActionHandler(connection, config); } @Override public Validator getValidator() { return validator; } }