Java tutorial
/* * SonarQube * Copyright (C) 2009-2017 SonarSource SA * mailto:info AT sonarsource DOT com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.sonar.db.user; import com.google.common.collect.ImmutableSet; import java.util.Set; import javax.annotation.CheckForNull; import javax.annotation.Nullable; import org.apache.commons.lang.StringUtils; import static com.google.common.base.MoreObjects.firstNonNull; import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; public class GroupMembershipQuery { public static final int DEFAULT_PAGE_INDEX = 1; public static final int DEFAULT_PAGE_SIZE = 100; public static final String ANY = "ANY"; public static final String IN = "IN"; public static final String OUT = "OUT"; public static final Set<String> AVAILABLE_MEMBERSHIP = ImmutableSet.of(ANY, IN, OUT); private final String organizationUuid; private final String membership; private final String groupSearch; // for internal use in MyBatis final String groupSearchSql; // max results per page private final int pageSize; // index of selected page. Start with 1. private final int pageIndex; private GroupMembershipQuery(Builder builder, String organizationUuid) { this.membership = builder.membership; this.groupSearch = builder.groupSearch; this.organizationUuid = organizationUuid; this.groupSearchSql = groupSearchToSql(groupSearch); this.pageSize = builder.pageSize; this.pageIndex = builder.pageIndex; } private static String groupSearchToSql(@Nullable String s) { String sql = null; if (s != null) { sql = StringUtils.replace(StringUtils.upperCase(s), "%", "/%"); sql = StringUtils.replace(sql, "_", "/_"); sql = "%" + sql + "%"; } return sql; } public String organizationUuid() { return organizationUuid; } @CheckForNull public String membership() { return membership; } /** * Search for groups containing a given string */ @CheckForNull public String groupSearch() { return groupSearch; } public int pageSize() { return pageSize; } public int pageIndex() { return pageIndex; } public static Builder builder() { return new Builder(); } public static class Builder { private String organizationUuid; private String membership; private String groupSearch; private Integer pageIndex = DEFAULT_PAGE_INDEX; private Integer pageSize = DEFAULT_PAGE_SIZE; private Builder() { } public Builder organizationUuid(String organizationUuid) { this.organizationUuid = organizationUuid; return this; } public Builder membership(@Nullable String membership) { this.membership = membership; return this; } public Builder groupSearch(@Nullable String s) { this.groupSearch = StringUtils.defaultIfBlank(s, null); return this; } public Builder pageSize(@Nullable Integer i) { this.pageSize = i; return this; } public Builder pageIndex(@Nullable Integer i) { this.pageIndex = i; return this; } private void initMembership() { membership = firstNonNull(membership, ANY); checkArgument(AVAILABLE_MEMBERSHIP.contains(membership), "Membership is not valid (got " + membership + "). Availables values are " + AVAILABLE_MEMBERSHIP); } private void initPageSize() { pageSize = firstNonNull(pageSize, DEFAULT_PAGE_SIZE); } private void initPageIndex() { pageIndex = firstNonNull(pageIndex, DEFAULT_PAGE_INDEX); checkArgument(pageIndex > 0, "Page index must be greater than 0 (got " + pageIndex + ")"); } public GroupMembershipQuery build() { checkNotNull(organizationUuid, "Organization uuid cant be null"); initMembership(); initPageIndex(); initPageSize(); return new GroupMembershipQuery(this, organizationUuid); } } }