Handling File in Eclipse Plugin

* Add Dependenceis in MANIFEST.MF

- MANIFEST.MF > Dependencies > Add > org.eclipse.core.resources

view plainprint?

1. IWorkspace ws = ResourcesPlugin.getWorkspace();   
2. IWorkspaceRoot root = ws.getRoot();     
3. IProject[] projects = root.getProjects();  
4.   
5. //ws.toString:org.eclipse.core.internal.resources.Worksapce@**  
6. //root.toString : R  
7.   
8. IProject project = projects[0];  
9. IFolder tmpDir = null;  
10. IFile file = null;  
11.     
12. if(project.exists()){  
13.   //1. Create in Project not System  
14.   tmpDir = project.getFolder((new Path("tmp")));  
15.   if(!tmpDir.exists()){  
16.     try {  
17.       //2. Create in System  
18.       tmpDir.create(false, true, null);  
19.     }catch (CoreException e) {            
20.       e.printStackTrace();  
21.     }  
22.   }  
23.   file = tmpDir.getFile(new Path("boo.txt"));  
24.   if(!file.exists()){  
25.     try{          
26.       String str = "dummy";  
27.       InputStream is = new ByteArrayInputStream(str.getBytes());  
28.       file.create(is, false, null);            
29.     }catch(CoreException e){  
30.       e.printStackTrace();  
31.     }  
32.   }  
33.   Log.logInfo(file.getLocation().toString());  
34. }else{  
35.   Log.logInfo("project is NOT exist");  
36. }  

  IWorkspace ws = ResourcesPlugin.getWorkspace(); 
  IWorkspaceRoot root = ws.getRoot();   
  IProject[] projects = root.getProjects();

  //ws.toString:org.eclipse.core.internal.resources.Worksapce@**
  //root.toString : R

  IProject project = projects[0];
  IFolder tmpDir = null;
  IFile file = null;
    
  if(project.exists()){
    //1. Create in Project not System
    tmpDir = project.getFolder((new Path("tmp")));
    if(!tmpDir.exists()){
      try {
        //2. Create in System
        tmpDir.create(false, true, null);
      }catch (CoreException e) {          
        e.printStackTrace();
      }
    }
    file = tmpDir.getFile(new Path("boo.txt"));
    if(!file.exists()){
      try{        
        String str = "dummy";
        InputStream is = new ByteArrayInputStream(str.getBytes());
        file.create(is, false, null);          
      }catch(CoreException e){
        e.printStackTrace();
      }
    }
    Log.logInfo(file.getLocation().toString());
  }else{
    Log.logInfo("project is NOT exist");
  }

- reference :

-- http://www.atmarkit.co.jp/fjava/rensai3/eclipsepde05/eclipsepde05_1.html

--http://www.masatom.in/pukiwiki/Eclipse/%A5%D7%A5%E9%A5%B0%A5%A4%A5%F3%B3%AB%C8%AF%A4%CETIPS%BD%B8/%A5%EF%A1%BC%A5%AF%A5%B9%A5%DA%A1%BC%A5%B9%A4%CE%A5%EA%A5%BD%A1%BC%A5%B9%A4%F2%BC%E8%A4%EA%B0%B7%A4%A6/