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	<title>Labs Zsrv Net &#187; Java</title>
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		<item>
		<title>[Java]Javaでrefrection</title>
		<link>http://labs.zsrv.net/2010/04/javajava%e3%81%a7refrection/</link>
		<comments>http://labs.zsrv.net/2010/04/javajava%e3%81%a7refrection/#comments</comments>
		<pubDate>Wed, 21 Apr 2010 09:44:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=460</guid>
		<description><![CDATA[忘れないようにメモ. public static Object invoke(final Object target, final String methodName, final Object... params) throws Exception { List&#60;Class&#60;?&#62;&#62; parameterTypes = new ArrayList&#60;Class&#60;?&#62;&#62;(); for (Object o : params) { parameterTypes.add(o.getClass()); } Class&#60;?&#62; targetClass = target.getClass(); Method method = targetClass.getMethod(methodName, parameterTypes .toArray((new Class&#60;?&#62;[] {}))); return method.invoke(target, params); }]]></description>
			<content:encoded><![CDATA[<p>忘れないようにメモ.</p>
<p/>
<pre class="brush:java">
	public static Object invoke(final Object target, final String methodName, final Object... params) throws Exception {

		List&lt;Class&lt;?&gt;&gt; parameterTypes = new ArrayList&lt;Class&lt;?&gt;&gt;();
		for (Object o : params) {
			parameterTypes.add(o.getClass());
		}

		Class&lt;?&gt; targetClass = target.getClass();

		Method method = targetClass.getMethod(methodName, parameterTypes
				.toArray((new Class&lt;?&gt;[] {})));

		return method.invoke(target, params);

	}
</pre>
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		</item>
		<item>
		<title>[struts2]struts2とFreemarkerで、テンプレートの実行時エラー表示を抑制する</title>
		<link>http://labs.zsrv.net/2010/03/struts2struts2%e3%81%a8freemarker%e3%81%a7%e3%80%81%e3%83%86%e3%83%b3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%81%ae%e5%ae%9f%e8%a1%8c%e6%99%82%e3%82%a8%e3%83%a9%e3%83%bc%e8%a1%a8%e7%a4%ba%e3%82%92/</link>
		<comments>http://labs.zsrv.net/2010/03/struts2struts2%e3%81%a8freemarker%e3%81%a7%e3%80%81%e3%83%86%e3%83%b3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%81%ae%e5%ae%9f%e8%a1%8c%e6%99%82%e3%82%a8%e3%83%a9%e3%83%bc%e8%a1%a8%e7%a4%ba%e3%82%92/#comments</comments>
		<pubDate>Fri, 19 Mar 2010 07:27:12 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Freemarker]]></category>
		<category><![CDATA[Struts2]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=455</guid>
		<description><![CDATA[struts2でFreemarkerを使っているとそのままでは、テンプレートにエラーが あった場合に、そのまま黄色画面でエラー(StackTrace)が表示されてしまう。 それを出力されないようにするための、FreemarkerManagerを作って設定する。 (これよりもっとスマートな方法はないものか&#8230;) import javax.servlet.ServletContext; import freemarker.template.TemplateException; import freemarker.template.TemplateExceptionHandler; public class FreemarkerManager extends org.apache.struts2.views.freemarker.FreemarkerManager { @Override protected freemarker.template.Configuration createConfiguration(ServletContext servletContext) throws TemplateException { freemarker.template.Configuration configuration = new freemarker.template.Configuration(); configuration.setTemplateLoader(getTemplateLoader(servletContext)); configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER); configuration.setObjectWrapper(getObjectWrapper()); if( mruMaxStrongSize > 0 ) { configuration.setSetting(freemarker.template.Configuration.CACHE_STORAGE_KEY, "strong:" + mruMaxStrongSize); } if (encoding != null) { configuration.setDefaultEncoding(encoding); } loadSettings(servletContext, configuration); return configuration; } [...]]]></description>
			<content:encoded><![CDATA[<p>struts2でFreemarkerを使っているとそのままでは、テンプレートにエラーが<br />
あった場合に、そのまま黄色画面でエラー(StackTrace)が表示されてしまう。</p>
<p>それを出力されないようにするための、FreemarkerManagerを作って設定する。<br />
(これよりもっとスマートな方法はないものか&#8230;)</p>
<pre class="brush:java">
import javax.servlet.ServletContext;

import freemarker.template.TemplateException;
import freemarker.template.TemplateExceptionHandler;

public class FreemarkerManager extends
		org.apache.struts2.views.freemarker.FreemarkerManager {

	@Override
    protected freemarker.template.Configuration createConfiguration(ServletContext servletContext) throws TemplateException {
        freemarker.template.Configuration configuration = new freemarker.template.Configuration();

        configuration.setTemplateLoader(getTemplateLoader(servletContext));

        configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);

        configuration.setObjectWrapper(getObjectWrapper());

        if( mruMaxStrongSize > 0 ) {
            configuration.setSetting(freemarker.template.Configuration.CACHE_STORAGE_KEY, "strong:" + mruMaxStrongSize);
        }

        if (encoding != null) {
            configuration.setDefaultEncoding(encoding);
        }

        loadSettings(servletContext, configuration);

        return configuration;
    }

}
</pre>
<p>struts.xmlに以下を記述。</p>
<pre class="brush:java">
	&lt;!--  freemarker settings --&gt;
	&lt;constant name="struts.freemarker.manager.classname" value="com.bbt757.ktai.freemarker.FreemarkerManager" /&gt;
</pre>
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		</item>
		<item>
		<title>[Java]のForeach(For-Each Loop)を試してみる</title>
		<link>http://labs.zsrv.net/2010/02/java%e3%81%aeforeachfor-each-loop%e3%82%92%e8%a9%a6%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b/</link>
		<comments>http://labs.zsrv.net/2010/02/java%e3%81%aeforeachfor-each-loop%e3%82%92%e8%a9%a6%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b/#comments</comments>
		<pubDate>Tue, 09 Feb 2010 06:49:43 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=436</guid>
		<description><![CDATA[かなり今さらだがJDK1.4を最後に3年くらいJavaを使っていなかったら、 Foreachが使えるようになっていて、よく使い方を忘れてしまうのでメモ。 // 配列(Integer) for(Integer i: new Integer[]{1, 2, 3, 4}) System.out.println(i); // 配列(String) for(String s: new String[]{"a", "b", "c"}) System.out.println(s); // Map Map&#60;String, String&#62; map = new HashMap&#60;String, String&#62;(); map.put("1", "a");map.put("2", "b"); for(Entry&#60;String, String&#62; e: map.entrySet()) System.out.println(e.getKey() + ":" + e.getValue()); // List List&#60;String&#62; list = new ArrayList&#60;String&#62;(); for(String s: list) System.out.println(s);]]></description>
			<content:encoded><![CDATA[<p>かなり今さらだがJDK1.4を最後に3年くらいJavaを使っていなかったら、<br />
Foreachが使えるようになっていて、よく使い方を忘れてしまうのでメモ。</p>
<pre class="brush:java">
// 配列(Integer)
for(Integer i: new Integer[]{1, 2, 3, 4})
	System.out.println(i);

// 配列(String)
for(String s: new String[]{"a", "b", "c"})
	System.out.println(s);

// Map
Map&lt;String, String&gt; map = new HashMap&lt;String, String&gt;();
map.put("1", "a");map.put("2", "b");
for(Entry&lt;String, String&gt; e: map.entrySet())
	System.out.println(e.getKey() + ":" + e.getValue());

// List
List&lt;String&gt; list = new ArrayList&lt;String&gt;();
for(String s: list)
	System.out.println(s);
</pre></p>
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		</item>
		<item>
		<title>[Java]FreemarkerのテンプレートでPaging(ページング)処理を行う</title>
		<link>http://labs.zsrv.net/2010/02/javafreemarker%e3%81%ae%e3%83%86%e3%83%b3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%81%a7paging%e3%83%9a%e3%83%bc%e3%82%b8%e3%83%b3%e3%82%b0%e5%87%a6%e7%90%86%e3%82%92%e8%a1%8c%e3%81%86/</link>
		<comments>http://labs.zsrv.net/2010/02/javafreemarker%e3%81%ae%e3%83%86%e3%83%b3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%81%a7paging%e3%83%9a%e3%83%bc%e3%82%b8%e3%83%b3%e3%82%b0%e5%87%a6%e7%90%86%e3%82%92%e8%a1%8c%e3%81%86/#comments</comments>
		<pubDate>Wed, 03 Feb 2010 06:51:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Freemarker]]></category>
		<category><![CDATA[Struts2]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=430</guid>
		<description><![CDATA[以下のようなFunctionを作った。 引数に、リスト、ページあたりに表示する行数、現在ページ数。 &#60;#function paginator list num page&#62; &#60;#assign has_pre = false&#62; &#60;#assign has_next = false&#62; &#60;#if list?size == 0&#62; &#60;#return list&#62; &#60;/#if&#62; &#60;#local start = (page - 1) * num&#62; &#60;#local end = start + num - 1&#62; &#60;#if page gt 1&#62; &#60;#assign has_pre = true&#62; &#60;/#if&#62; &#60;#if end gte list?size - 1&#62; &#60;#local end [...]]]></description>
			<content:encoded><![CDATA[<p>以下のようなFunctionを作った。<br />
引数に、リスト、ページあたりに表示する行数、現在ページ数。</p>
<pre class="brush:html">
&lt;#function paginator list num page&gt;
	&lt;#assign has_pre = false&gt;
	&lt;#assign has_next = false&gt;
	&lt;#if list?size == 0&gt;
		&lt;#return list&gt;
	&lt;/#if&gt;
	&lt;#local start = (page - 1) * num&gt;
	&lt;#local end = start + num - 1&gt;
	&lt;#if page gt 1&gt;
		&lt;#assign has_pre = true&gt;
	&lt;/#if&gt;
	&lt;#if end gte list?size - 1&gt;
		&lt;#local end = list?size - 1&gt;
		&lt;#assign has_next = false&gt;
	&lt;#else&gt;
		&lt;#assign has_next = true&gt;
	&lt;/#if&gt;
	&lt;#return list[start..end]&gt;
&lt;/#function&gt;
</pre>
</p>
<p>使い方的には以下のようになる。</p>
<pre class="brush:html">
&lt;#list paginator(["a", "b", "c", "d", "e"], 2, page) as item&gt;
	${item}&lt;br /&gt;
&lt;/#list&gt;
&lt;#if has_pre&gt;&lt;a href="?page=${page - 1}"&gt;pre&lt;/a&gt;&lt;/#if&gt;
&lt;#if has_next&gt;&lt;a href="?page=${page + 1}"&gt;next&lt;/a&gt;&lt;/#if&gt;
</pre></p>
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		<item>
		<title>[Java]struts2で&#8221;/&#8221;(ドキュメントルート)にアクセスした場合のActionマッピングについて</title>
		<link>http://labs.zsrv.net/2010/02/javastruts2%e3%81%ae%e3%81%a7%e3%83%89%e3%82%ad%e3%83%a5%e3%83%a1%e3%83%b3%e3%83%88%e3%83%ab%e3%83%bc%e3%83%88%e3%81%ab%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e3%81%97%e3%81%9f%e5%a0%b4%e5%90%88/</link>
		<comments>http://labs.zsrv.net/2010/02/javastruts2%e3%81%ae%e3%81%a7%e3%83%89%e3%82%ad%e3%83%a5%e3%83%a1%e3%83%b3%e3%83%88%e3%83%ab%e3%83%bc%e3%83%88%e3%81%ab%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e3%81%97%e3%81%9f%e5%a0%b4%e5%90%88/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 03:49:13 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Struts2]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=424</guid>
		<description><![CDATA[気づけばというか、きっとドキュメントをちゃんと読めば書いてあったのだろうけど、 はまったのでメモ。 http://hogehoge.com/ 上記のようなアドレスにアクセスした際に、仮にJSPを表示したい場合は、 web.xmlに以下のような記述を行うと思う。 &#60;filter-mapping&#62; &#60;filter-name&#62;struts2&#60;/filter-name&#62; &#60;url-pattern&#62;/*&#60;/url-pattern&#62; &#60;/filter-mapping&#62; &#60;welcome-file-list&#62; &#60;welcome-file&#62;index.jsp&#60;/welcome-file&#62; &#60;/welcome-file-list&#62; 今回、つまづいたのは、上記のようなアドレスにアクセスした際に、Actionを 呼びたかったのだけど、その方法がわからなかった。 で、答えは・・・ class IndexAction extends....(省略{ @Actions( { @Action("/") }) public String execute(...省略 とするだけでよかったのだ。 welcom-file-listでどうやって指定すればいいのだろうと悩んでしまったのが、 &#8220;/*&#8221;がすべてstruts2にマッピングされていたので、@Action(&#8220;/&#8221;)とするだけで よかった。気づけばなんともない。。。]]></description>
			<content:encoded><![CDATA[<p>気づけばというか、きっとドキュメントをちゃんと読めば書いてあったのだろうけど、<br />
はまったのでメモ。</p>
<p />
<p>http://hogehoge.com/</p>
<p />
<p>上記のようなアドレスにアクセスした際に、仮にJSPを表示したい場合は、<br />
web.xmlに以下のような記述を行うと思う。</p>
<p />
<pre class="brush:xml">
&lt;filter-mapping&gt;
	&lt;filter-name&gt;struts2&lt;/filter-name&gt;
	&lt;url-pattern&gt;/*&lt;/url-pattern&gt;
&lt;/filter-mapping&gt;
&lt;welcome-file-list&gt;
	&lt;welcome-file&gt;index.jsp&lt;/welcome-file&gt;
&lt;/welcome-file-list&gt;
</pre>
<p />
<p>今回、つまづいたのは、上記のようなアドレスにアクセスした際に、Actionを<br />
呼びたかったのだけど、その方法がわからなかった。</p>
<p>で、答えは・・・</p>
<p />
<pre class="brush:java">
class IndexAction extends....(省略{

	@Actions( { @Action("/") })
	public String execute(...省略
</pre>
<p />
<p>とするだけでよかったのだ。<br />
welcom-file-listでどうやって指定すればいいのだろうと悩んでしまったのが、<br />
&#8220;/*&#8221;がすべてstruts2にマッピングされていたので、@Action(&#8220;/&#8221;)とするだけで<br />
よかった。気づけばなんともない。。。</p>
<p />
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		<item>
		<title>[Java]FreemarkerのXMLパーサとネームスペース(ns_prefixes)についてのメモ</title>
		<link>http://labs.zsrv.net/2010/02/javafreemarker%e3%81%aexml%e3%83%91%e3%83%bc%e3%82%b5%e3%81%a8%e3%83%8d%e3%83%bc%e3%83%a0%e3%82%b9%e3%83%9a%e3%83%bc%e3%82%b9ns_prefixes%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%81%ae%e3%83%a1/</link>
		<comments>http://labs.zsrv.net/2010/02/javafreemarker%e3%81%aexml%e3%83%91%e3%83%bc%e3%82%b5%e3%81%a8%e3%83%8d%e3%83%bc%e3%83%a0%e3%82%b9%e3%83%9a%e3%83%bc%e3%82%b9ns_prefixes%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%81%ae%e3%83%a1/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 03:39:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Freemarker]]></category>
		<category><![CDATA[Struts2]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=421</guid>
		<description><![CDATA[FreemarkerのXMLパーサとネームスペース(ns_prefixes)について 例えば、以下のようにネームスペースが付けられているような、 XMLをFreemarkerのテンプレートでパースして表示しようとすると、 若干躓くことになる。 &#60;?xml version="1.0" encoding="UTF-8" ?&#62; &#60;root xmlns="http://hogehoge.com/xmlns"&#62; &#60;key&#62;hogehoge&#60;/key&#62; &#60;value&#62;hogehoge&#60;/value&#62; &#60;/root&#62; というのも、以下のようなコードでは値が取得できないのだ。 key=${doc.root.key}&#60;br/&#62; value=${doc.root.value} &#60;#-- docはNodeModel --&#62; これは、ネームスペースを使っているためである。 ので、取得するにはこのように書くことになる。 &#60;#ftl ns_prefixes={"xmlns": "http://hogehoge.com/xmlns"}&#62; &#60;#-- 先頭に書くのがいいっぽい。--&#62; &#60;#assign root = doc["xmlns:root"] /&#62; key = ${root["xmlns:key"]}&#60;br/&#62; value = ${root["xmlns:value"]} というような感じで、エレメントを取得するたびにネームスペース を付けてあげる必要がある。 これでは、面倒くさい。 Freemarkerでは、&#8221;D&#8221;がデフォルトとして割り当てられているので、 &#60;#ftl ns_prefixes={"D": "http://hogehoge.com/xmlns"}&#62; と、宣言してあげると、一番最初のコードで各値を取得することが できるようになる。 というメモ。]]></description>
			<content:encoded><![CDATA[<p>FreemarkerのXMLパーサとネームスペース(ns_prefixes)について</p>
<p>例えば、以下のようにネームスペースが付けられているような、<br />
XMLをFreemarkerのテンプレートでパースして表示しようとすると、<br />
若干躓くことになる。</p>
<pre class="brush:xml">
&lt;?xml version="1.0" encoding="UTF-8" ?&gt;
&lt;root xmlns="http://hogehoge.com/xmlns"&gt;
	&lt;key&gt;hogehoge&lt;/key&gt;
	&lt;value&gt;hogehoge&lt;/value&gt;
&lt;/root&gt;
</pre>
</p>
<p>というのも、以下のようなコードでは値が取得できないのだ。</p>
<pre class="brush:xml">
key=${doc.root.key}&lt;br/&gt;
value=${doc.root.value}
&lt;#-- docはNodeModel --&gt;
</pre>
</p>
<p>これは、ネームスペースを使っているためである。<br />
ので、取得するにはこのように書くことになる。</p>
<pre class="brush:xml">
&lt;#ftl ns_prefixes={"xmlns": "http://hogehoge.com/xmlns"}&gt;
&lt;#-- 先頭に書くのがいいっぽい。--&gt;

&lt;#assign root = doc["xmlns:root"] /&gt;
key = ${root["xmlns:key"]}&lt;br/&gt;
value = ${root["xmlns:value"]}
</pre>
</p>
<p>というような感じで、エレメントを取得するたびにネームスペース<br />
を付けてあげる必要がある。</p>
<p>これでは、面倒くさい。<br />
Freemarkerでは、&#8221;D&#8221;がデフォルトとして割り当てられているので、</p>
<pre class="brush:xml">
&lt;#ftl ns_prefixes={"D": "http://hogehoge.com/xmlns"}&gt;
</pre>
</p>
<p>と、宣言してあげると、一番最初のコードで各値を取得することが<br />
できるようになる。</p>
<p>というメモ。</p>
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		</item>
		<item>
		<title>[Java]FreemarkerでXML(NodeModel)のElementの一覧を表示してみる。</title>
		<link>http://labs.zsrv.net/2010/01/javafreemarker%e3%81%a7xmlnodemodel%e3%81%aeelement%e3%81%ae%e4%b8%80%e8%a6%a7%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82/</link>
		<comments>http://labs.zsrv.net/2010/01/javafreemarker%e3%81%a7xmlnodemodel%e3%81%aeelement%e3%81%ae%e4%b8%80%e8%a6%a7%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82/#comments</comments>
		<pubDate>Thu, 28 Jan 2010 09:15:41 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Freemarker]]></category>
		<category><![CDATA[Struts2]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=417</guid>
		<description><![CDATA[ということで、FreemarkerでXMLの内容を表示したいときに、どんなエレメントが紐づいているのか知りたかったので、 FreemarkerのFunctionを使って表示させｔみた。 &#60;#function pprint xmlroot depth&#62; &#60;#local ret&#62; &#60;#list xmlroot?children as c&#62; &#60;#list 0..depth as x&#62;&#160;&#160;&#60;/#list&#62; &#60;#if c?node_type = 'element'&#62; - ${c?node_type} &#60;#local d = depth + 1&#62; ${c?node_name} ${pprint(c, d)} &#60;/#if&#62;&#60;br /&#62; &#60;/#list&#62; &#60;/#local&#62; &#60;#return ret&#62; &#60;/#function&#62; 使い方はこんな感じ ${pprint(xmldoc, 0)}]]></description>
			<content:encoded><![CDATA[<p>ということで、FreemarkerでXMLの内容を表示したいときに、どんなエレメントが紐づいているのか知りたかったので、<br />
FreemarkerのFunctionを使って表示させｔみた。</p>
<pre class="brush:html">
&lt;#function pprint xmlroot depth&gt;
	&lt;#local ret&gt;
		&lt;#list xmlroot?children as c&gt;
			&lt;#list 0..depth as x&gt;&nbsp;&nbsp;&lt;/#list&gt;
			&lt;#if c?node_type = 'element'&gt;
				- ${c?node_type}
				&lt;#local d = depth + 1&gt;
				${c?node_name}
				${pprint(c, d)}
			&lt;/#if&gt;&lt;br /&gt;
		&lt;/#list&gt;
	&lt;/#local&gt;
	&lt;#return ret&gt;
&lt;/#function&gt;
</pre>
</p>
<p>使い方はこんな感じ</p>
<pre class="brush:html">
${pprint(xmldoc, 0)}
</pre></p>
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		<item>
		<title>[Java]Enumで遊んでみる</title>
		<link>http://labs.zsrv.net/2010/01/javaenum%e3%81%a7%e9%81%8a%e3%82%93%e3%81%a7%e3%81%bf%e3%82%8b/</link>
		<comments>http://labs.zsrv.net/2010/01/javaenum%e3%81%a7%e9%81%8a%e3%82%93%e3%81%a7%e3%81%bf%e3%82%8b/#comments</comments>
		<pubDate>Thu, 28 Jan 2010 02:20:39 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Java]]></category>

		<guid isPermaLink="false">http://labs.zsrv.net/?p=415</guid>
		<description><![CDATA[長らくJavaをやってなかったら、Enumとかいうのができていたので使ってみた。 使い方あっているのだろうか&#8230; // for later than 1.5 enum KtaiInfoEnum { DOCOMO(0, "docomo"), SOFTBANK(1, "softbank"), AU(2, "au"); private String carrierName = null; private Integer type = 0; private KtaiInfoEnum(Integer type, String carrierName) { this.type = type; this.carrierName = carrierName; } public Integer getType() { return this.type; } public String getCarrierName() { return this.carrierName; } } // [...]]]></description>
			<content:encoded><![CDATA[<p>長らくJavaをやってなかったら、Enumとかいうのができていたので使ってみた。<br />
使い方あっているのだろうか&#8230;</p>
<pre class="brush:java">

// for later than 1.5
enum KtaiInfoEnum {

	DOCOMO(0, "docomo"),
	SOFTBANK(1, "softbank"),
	AU(2, "au");

	private String carrierName = null;
	private Integer type = 0;
	private KtaiInfoEnum(Integer type, String carrierName) {
		this.type = type;
		this.carrierName = carrierName;
	}
	public Integer getType() {
		return this.type;
	}
	public String getCarrierName() {
		return this.carrierName;
	}
}

// for java 1.4
class KtaiInfo {

	public static final KtaiInfo DOCOMO = new KtaiInfo(0, "docomo");
	public static final KtaiInfo SOFTBANK = new KtaiInfo(1, "softbank");
	public static final KtaiInfo AU = new KtaiInfo(2, "au");

	private String carrierName = null;
	private Integer type = null;
	private KtaiInfo(Integer type, String carrierName) {
		this.type = type;
		this.carrierName = carrierName;
	}

	public Integer getType() {
		return this.type;
	}
	public String getCarrierName() {
		return this.carrierName;
	}

}

public class TestListStructure {

    public static void main(String args[]) {

    	System.out.println(KtaiInfo.SOFTBANK.getType() + ":" + KtaiInfo.SOFTBANK.getCarrierName());
    	System.out.println(KtaiInfoEnum.SOFTBANK.getType() + ":" + KtaiInfoEnum.SOFTBANK.getCarrierName());

    	for(KtaiInfoEnum ktaiInfo: KtaiInfoEnum.values()){
    		System.out.println(ktaiInfo.getType() + ":" + ktaiInfo.getCarrierName());
    	}

    }

}
</pre></p>
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