{"id":361,"date":"2017-09-28T22:24:48","date_gmt":"2017-09-28T13:24:48","guid":{"rendered":"https:\/\/www.oqiita.com\/?p=361"},"modified":"2018-06-07T10:07:46","modified_gmt":"2018-06-07T01:07:46","slug":"post-361","status":"publish","type":"post","link":"https:\/\/www.oqiita.com\/?p=361","title":{"rendered":"\u3010Java\u3011Gson\u306eJar\u304c\u307b\u3057\u3044"},"content":{"rendered":"<p>Java\u3067Json\u3092\u30d1\u30fc\u30b9\u3057\u305f\u3044\u3002<br \/>\n\u4f7f\u3048\u308c\u3070\u306a\u3093\u3067\u3082\u826f\u304b\u3063\u305f\u306e\u3067Gson\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><!--more--><br \/>\n<\/p>\n<h3 id=\"i-0\">Gson<\/h3>\n<p>Gson\u306fGoogle\u304c\u63d0\u4f9b\u3059\u308bJSON\u30c7\u30fc\u30bf\u3068Java\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u76f8\u4e92\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<br \/>\nGithub\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001zip\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u304bGit\u3067Clone\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n  <a class=\"reference table\" href=\"https:\/\/github.com\/google\/gson\" target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n    <span class=\"tbcell refttl\">\u53c2\u8003<\/span><br \/>\n    <span class=\"tbcell refcite\">google\/gson<span>GitHub<\/span><\/span><br \/>\n  <\/a><\/p>\n<h3 id=\"i-1\">Maven<\/h3>\n<p>Apache Maven\uff08\u30a2\u30d1\u30c3\u30c1 \u30e1\u30a4\u30f4\u30f3\uff0f\u30e1\u30a4\u30f4\u30a7\u30f3\uff09\u306f\u3001<br \/>\nJava\u7528\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\u3067\u3042\u308b\u3002Apache Ant\u306b\u4ee3\u308f\u308b\u3082\u306e\u3068\u3057\u3066\u4f5c\u3089\u308c\u305f\u3002<br \/>\nApache\u30e9\u30a4\u30bb\u30f3\u30b9\u306b\u3066\u914d\u5e03\u3055\u308c\u3066\u3044\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3042\u308b\u3002<br \/>\n\u203bwikipedia \u3088\u308a\u629c\u7c8b<br \/>\n  <a class=\"reference table\" href=\"https:\/\/maven.apache.org\/\" target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n    <span class=\"tbcell refttl\">\u53c2\u8003<\/span><br \/>\n    <span class=\"tbcell refcite\">Maven<span>Apache Maven<\/span><\/span><br \/>\n  <\/a><\/p>\n<h3 id=\"i-2\">\u60f3\u5b9a\u74b0\u5883<\/h3>\n<p>\u30fbOS\uff1aWindows 10<br \/>\n\u30fbJava\uff1a1.8<br \/>\n\u30fbMaven\uff1a3.5.0<\/p>\n<h3 id=\"i-3\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>Gson\u306fMaven\u304c\u7121\u3044\u3068\u96e3\u3057\u3044\u306e\u3067\u3001Maven\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<br \/>\n\u53c2\u8003URL\uff1a<a href=\"https:\/\/qiita.com\/ko2a\/items\/15343ea8fae4233e9438\" target=\"_blank\" rel=\"noopener\">https:\/\/qiita.com\/ko2a\/items\/15343ea8fae4233e9438<\/a><\/p>\n<p>\u4e0a\u8a18\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30da\u30fc\u30b8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<br \/>\n\u57f7\u7b46\u6642\u306f\u30d0\u30fc\u30b8\u30e7\u30f33.5.0\u304c\u6700\u65b0\u3060\u3063\u305f\u306e\u3067\u300capache-maven-3.5.0-bin.zip\u300d\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002<br \/>\n\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30da\u30fc\u30b8\uff1a<a href=\"https:\/\/maven.apache.org\/download.cgi\" target=\"_blank\" rel=\"noopener\">https:\/\/maven.apache.org\/download.cgi<\/a><\/p>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fzip\u3092\u89e3\u51cd\u3057\u3066\u3001C\u30c9\u30e9\u30a4\u30d6\u76f4\u4e0b\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<br \/>\n\u914d\u7f6e\u5f8c\u306b\u30d1\u30b9\u3092\u901a\u3057\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u306f\u300cC:\\apache-maven-3.5.0\\bin\u300d\u306b\u30d1\u30b9\u3092\u901a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u5b9f\u884c\u78ba\u8a8d\u3002<\/p>\n<pre class=\"command-line\" data-prompt=\"C:\\Users\\oqiita>\" data-output=\"2-8\"><code class=\"language-batch\">mvn -v\nApache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-04T04:39:06+09:00)\nMaven home: C:\\apache-maven-3.5.0\\bin\\..\nJava version: 1.8.0_92, vendor: Oracle Corporation\nJava home: C:\\Program Files\\Java\\jre1.8.0_92\nDefault locale: ja_JP, platform encoding: MS932\nOS name: \"windows 10\", version: \"10.0\", arch: \"amd64\", family: \"windows\"\n\n<\/code><\/pre>\n<p>\u3064\u3044\u3067\u306bJava\u3068Javac\u306b\u3082\u30d1\u30b9\u304c\u901a\u3063\u3066\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br \/>\n\u3082\u3057\u30d1\u30b9\u304c\u901a\u3063\u3066\u306a\u3044\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u3055\u308c\u3066\u306a\u3044\u5834\u5408\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u30d1\u30b9\u3092\u901a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"command-line language-bash\" data-prompt=\"C:\\Users\\oqiita>\" data-output=\"2-5, 7-8\"><code class=\"language-batch\">java -version\njava version \"1.8.0_92\"\nJava(TM) SE Runtime Environment (build 1.8.0_92-b14)\nJava HotSpot(TM) 64-Bit Server VM (build 25.92-b14, mixed mode)\n\njavac -version\njavac 1.8.0_92\n<\/code><\/pre>\n<h3 id=\"i-4\">Jar\u306e\u4f5c\u6210\u30b3\u30de\u30f3\u30c9<\/h3>\n<p>\u53c2\u8003URL\uff1a<a href=\"https:\/\/stackoverflow.com\/questions\/37975605\/how-do-i-download-the-gson-library\" target=\"_blank\" rel=\"noopener\">https:\/\/stackoverflow.com\/questions\/37975605\/how-do-i-download-the-gson-library<\/a><\/p>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fGson\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u30eb\u30fc\u30c8\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3002<\/p>\n<pre class=\"command-line\" data-prompt=\"C:\\Git\\Gson>\"><code class=\"language-batch\">mvn package<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u6d41\u3057\u305f\u3068\u3053\u308d\u898b\u4e8b\u306b\u30a8\u30e9\u30fc\u304c\u3067\u307e\u3057\u305f\uff57<\/p>\n<pre class=\"command-line language-bash\" data-prompt=\"C:\\Git\\Gson>\" data-output=\"2-5\"><code class=\"language-batch\">mvn package\n\n\uff5e\uff5e\uff5e \u7701\u7565 \uff5e\uff5e\uff5e\n[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?\n<\/code><\/pre>\n<p>\u3044\u308d\u3044\u308d\u8abf\u3079\u305f\u7d50\u679c\u3001\u74b0\u5883\u5909\u6570\u306b\u300cJAVA_HOME\u300d\u304c\u5fc5\u8981\u3067\u3001JAVA_HOME\/bin\/javac.exe \u3082\u5fc5\u8981\u3063\u307d\u3044\u3067\u3059\u3002<br \/>\n\u4e0a\u8a18\u3067Java\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u51fa\u305b\u305f\u306e\u306f\u3001\u74b0\u5883\u5909\u6570\u300cPath\u300d\u306bJava\u307e\u3067\u306e\u30d1\u30b9\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u305f\u3060\u3051\u3067\u3057\u305f\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u3067\u74b0\u5883\u5909\u6570\u306b\u300cJAVA_HOME\u300d\u3092\u8ffd\u52a0\u3057\u3066\u3001\u518d\u5ea6\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068<\/p>\n<pre class=\"command-line\" data-prompt=\"C:\\Git\\Gson>\" data-output=\"2-23\"><code class=\"language-batch\">mvn package\n\n\uff5e\uff5e\uff5e \u7701\u7565 \uff5e\uff5e\uff5e\n\n\nTests run: 1035, Failures: 0, Errors: 0, Skipped: 1\n\n[INFO]\n[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ gson ---\n[INFO] Building jar: C:\\Git\\Gson\\gson\\target\\gson-2.8.3-SNAPSHOT.jar\n[INFO] ------------------------------------------------------------------------\n[INFO] Reactor Summary:\n[INFO]\n[INFO] Gson Parent ........................................ SUCCESS [  0.772 s]\n[INFO] Gson ............................................... SUCCESS [ 19.065 s]\n[INFO] ------------------------------------------------------------------------\n[INFO] BUILD SUCCESS\n[INFO] ------------------------------------------------------------------------\n[INFO] Total time: 20.063 s\n[INFO] Finished at: 2017-09-28T16:19:12+09:00\n[INFO] Final Memory: 17M\/242M\n[INFO] ------------------------------------------------------------------------\n\n\n<\/code><\/pre>\n<h3 id=\"i-5\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53d6\u308a\u8fbc\u307f<\/h3>\n<p>\u3042\u3068\u306f\u9069\u5f53\u306b\u5b8c\u6210\u3057\u305f\u300cgson-2.8.3-SNAPSHOT.jar\u300d\uff08\u9069\u5f53\u306b\u30ea\u30cd\u30fc\u30e0\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u3092<br \/>\n\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u53d6\u308a\u8fbc\u307f\u3001\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308c\u3070\u5b8c\u6210\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/www.oqiita.com\/wp-content\/uploads\/2017\/09\/GsonEclipse001.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-375\" src=\"https:\/\/www.oqiita.com\/wp-content\/uploads\/2017\/09\/GsonEclipse001.png\" alt=\"\" width=\"290\" height=\"176\"><\/a><\/p>\n<pre class=\"line-numbers\"><code class=\"language-java\">package com.oqiita;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\nimport com.google.gson.Gson;\n\npublic class TestMain {\n\n\tpublic static void main(String[] args) {\n\t\tSystem.out.println(\"test\");\n\n        Gson gson = new Gson();\n\n        Product product1 = new Product(\"1\", \"\u30b3\u30ab\u30fb\u30b3\u30fc\u30e9\");\n        Product product2 = new Product(\"2\", null);\n        List productList = new ArrayList&lt;&gt;();\n        productList.add(product1);\n        productList.add(product2);\n\n        \/\/ JSON\u3078\u306e\u5909\u63db\n        System.out.println(gson.toJson(product1));\n        System.out.println(gson.toJson(productList));\n\t}\n}\n<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"line-numbers\"><code class=\"language-batch\">test\n{\"id\":\"1\",\"name\":\"\u30b3\u30ab\u30fb\u30b3\u30fc\u30e9\"}\n[{\"id\":\"1\",\"name\":\"\u30b3\u30ab\u30fb\u30b3\u30fc\u30e9\"},{\"id\":\"2\"}]\n<\/code><\/pre>\n<hr>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4eca\u56de\u306fGoogle\u306eJson\u30d1\u30fc\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306eGson\u3092\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u307e\u3041\u4f7f\u3063\u305f\u3068\u3044\u3046\u3088\u308a\u306fJar\u306b\u3057\u305f\u304b\u3063\u305f\u3060\u3051\u306a\u3093\u3067\u3059\u304c\u306d\u3002<\/p>\n<p>Android\u3068\u304b\u306a\u3089Maven\u30ea\u30dd\u30b8\u30c8\u30ea\u304b\u3089\u5f15\u3063\u5f35\u3063\u3066\u304f\u308b\u3060\u3051\u306a\u3093\u3067\u3059\u304c\u3001<br \/>\n\u3069\u3046\u306b\u3082\u53e4\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084Jar\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u6a5f\u80fd\u3057\u304b\u7121\u3044\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3067<br \/>\n\u4f7f\u3044\u305f\u3044\u5834\u5408\u306fJar\u304c\u307b\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067Json\u3092\u30d1\u30fc\u30b9\u3057\u305f\u3044\u3002 \u4f7f\u3048\u308c\u3070\u306a\u3093\u3067\u3082\u826f\u304b\u3063\u305f\u306e\u3067Gson\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":749,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[58],"tags":[62,59,60,51,61],"class_list":{"0":"post-361","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-java","8":"tag-google","9":"tag-gson","10":"tag-jar","11":"tag-java","12":"tag-maven","13":"entry"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.oqiita.com\/wp-content\/uploads\/2017\/09\/sango_google_icatch.png","jetpack_shortlink":"https:\/\/wp.me\/p8QluP-5P","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/posts\/361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=361"}],"version-history":[{"count":17,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions"}],"predecessor-version":[{"id":845,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions\/845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=\/wp\/v2\/media\/749"}],"wp:attachment":[{"href":"https:\/\/www.oqiita.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oqiita.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}