Created
October 27, 2009 05:32
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TempleteMethod
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| # TempleteMethod | |
| class Report | |
| attr_accessor :title, :content | |
| def initialize | |
| @title = "I am a title" | |
| @content = "I am a content" | |
| hook_process | |
| end | |
| def hook_process ; end | |
| def output | |
| raise 'Called abstract method : output' | |
| end | |
| end | |
| class HTMLReport < Report | |
| def output_title | |
| puts "<head><title> #{title} </title></head>" | |
| end | |
| def hook_process | |
| @content = "<div> \r\n #{content} \r\n</div>" | |
| end | |
| def output_content | |
| puts "<body> #{content} </body>" | |
| end | |
| def output | |
| puts "<html>" | |
| output_title | |
| output_content | |
| puts "</html>" | |
| end | |
| end | |
| class PlainTextReport < Report | |
| def output_title | |
| puts title | |
| end | |
| def output_content | |
| puts content | |
| end | |
| def output | |
| output_title | |
| output_content | |
| end | |
| end | |
| HTMLReport.new.output | |
| # PlainTextReport.new.output | |
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