Change directory structure.

[dvibrowser/dvi2epub.git] / src / main / java / jp / sourceforge / dvibrowser / dvi2epub / cmd / AnnotatedCommand.java

diff --git a/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AnnotatedCommand.java b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AnnotatedCommand.java
new file mode 100644 (file)
index 0000000..0faeacd
--- /dev/null
+++ b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AnnotatedCommand.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2012, Takeyuki Nagao
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the
+ * following conditions are met:
+ * 
+ *  * Redistributions of source code must retain the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *    
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+package jp.sourceforge.dvibrowser.dvi2epub.cmd;
+
+import java.io.PrintWriter;
+
+import jp.sourceforge.dvibrowser.dvi2epub.opt.BooleanValueOption;
+import jp.sourceforge.dvibrowser.dvi2epub.opt.DefaultOptionMapper;
+
+public abstract class AnnotatedCommand extends AbstractCommand {
+       private CommandLineParser parser;
+       private boolean wantHelp;
+       private String[] args;
+
+       public AnnotatedCommand() throws CommandException {
+               parser = new AnnotatedCommandLineParser(this);
+       }
+
+       @BooleanValueOption(shortName = "h", longName = "help", description = "Show this information")
+       public void wantHelp(boolean want) {
+               this.wantHelp = want;
+       }
+
+       public boolean wantHelp() {
+               return wantHelp;
+       }
+
+       @Override
+       public int execute(String[] args) throws CommandException {
+               try {
+                       parser.parse(args);
+                       int ret = doProcessCommandLine();
+                       return ret;
+               } finally {
+                       PrintWriter out = getWriter();
+                       if (out != null) {
+                               out.flush();
+                       }
+               }
+       }
+
+       protected int doProcessCommandLine()
+                       throws CommandException {
+               if (wantHelp()) {
+                       showUsage();
+                       return Command.EXIT_SUCCESS;
+               } else {
+                       return processCommandLine();
+               }
+       }
+
+       protected abstract int processCommandLine() throws CommandException;
+
+       @Override
+       public void showUsage(PrintWriter pw) throws CommandException {
+               parser.printHelp(pw);
+               pw.flush();
+       }
+
+       @Override
+       public String getApplicationName() throws CommandException {
+               String name = System.getProperty("application.name", "java " + getClass().getName());
+               return name;
+       }
+
+       public String[] getArgs() {
+               return args;
+       }
+
+       public void setArgs(String[] args) {
+               this.args = args;
+       }
+       
+       protected OptionMapper createOptionMapper() {
+               return new DefaultOptionMapper();
+       }
+       
+       protected OptionPrinter createOptionPrinter(PrintWriter writer) {
+               return new OptionPrinter(writer);
+       }
+}