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POHow can I fetch a path from a preference page and use it in a process started by a button?
 

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  1. POHow can I fetch a path from a preference page and use it in a process started by a button?
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    <p>I have made a preference page whose program code is --</p> <pre><code>public class SAML extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { public SAML() { super(GRID); setPreferenceStore(RmpPlugin.getDefault().getPreferenceStore()); setDescription("Browse Appropriate files"); } public FileFieldEditor f; public FileFieldEditor f1; public void createFieldEditors() { f = new FileFieldEditor(PreferenceConstants.P_PATH, "&amp;Prism.bat File:", getFieldEditorParent()); addField(f); f1 = new FileFieldEditor(PreferenceConstants.P_PATH1, "&amp;NuSMV Application File:", getFieldEditorParent()); addField(f1); } public void init(IWorkbench workbench) { } } </code></pre> <p>In this preference page, there are two <strong>FileFieldEditor</strong> which is use to select "prism.bat" and "NuSMV.exe" file.</p> <p>I have accessed path in my another button programming whose code is ---</p> <pre><code>try { IPreferenceStore store = plugin.getPreferenceStore(); ProcessBuilder pb=new ProcessBuilder(store.getString(PreferenceConstants.P_PATH)); pb.directory(new File(store.getString(PreferenceConstants.P_PATH))); Process p=pb.start(); BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream())); String in; while((in = input.readLine()) != null) { out.println(in); } int exitVal=p.waitFor(); if(exitVal==0) { out.println("Printing on console"); } else out.println("Process failed"); } catch (Exception e) { out.println(e.toString()); e.printStackTrace(); } </code></pre> <p>Whenever I am clicking the button after selecting Prism.bat file from preference page, it says that file not found.</p> <p>What am I missing?</p>
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    1. USMichael Myers
    1. USShubham agarwal
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      1. POHow can I fetch a path from a preference page and use it in a process started by a button?
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