Java tutorial
/* * Copyright 2015 QSense, 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.sidecar.org; import com.google.common.base.CharMatcher; import com.google.common.base.Preconditions; import org.apache.commons.lang.StringUtils; import java.util.Objects; import java.util.UUID; public class Organization { private UUID orgId; private String name; private String url; private OrganizationType type; public Organization(String name, String url, OrganizationType type) { this.orgId = UUID.randomUUID(); Preconditions.checkNotNull(name); Preconditions.checkArgument(StringUtils.isNotBlank(name)); this.name = name; Preconditions.checkNotNull(url); Preconditions.checkArgument(StringUtils.isNotBlank(url)); Preconditions.checkArgument(CharMatcher.WHITESPACE.matchesNoneOf(url)); this.url = url; Preconditions.checkNotNull(type); this.type = type; } private Organization(Builder builder) { orgId = builder.orgId; name = builder.name; url = builder.url; type = builder.type; } public UUID getOrgId() { return orgId; } public String getName() { return name; } public String getUrl() { return url; } public OrganizationType getType() { return type; } @Override public String toString() { return "Organization{" + "orgId=" + orgId + ", name=" + name + ", url=" + url + ", type=" + type + "} " + super.toString(); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } Organization that = (Organization) o; return Objects.equals(this.orgId, that.orgId) && Objects.equals(this.name, that.name) && Objects.equals(this.url, that.url) && Objects.equals(this.type, that.type); } @Override public int hashCode() { return Objects.hash(orgId, name, url, type); } public static final class Builder { private UUID orgId; private String name; private String url; private OrganizationType type; public Builder() { } public Builder(Organization copy) { orgId = copy.orgId; name = copy.name; url = copy.url; type = copy.type; } public Builder orgId(UUID orgId) { this.orgId = orgId; return this; } public Builder name(String name) { this.name = name; return this; } public Builder url(String url) { this.url = url; return this; } public Builder type(OrganizationType type) { this.type = type; return this; } public Organization build() { return new Organization(this); } } }