Example usage for org.apache.commons.vfs FileObject exists

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileObject exists.

Prototype

public boolean exists() throws FileSystemException;

Source Link

Document

Determines if this file exists.

Usage

From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static boolean isFolder(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {
    try {//from ww  w . ja va2  s.  c  om
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return false;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject((String) ArgList[0]);
                boolean isafolder = false;
                if (file.exists()) {
                    if (file.getType().equals(FileType.FOLDER)) {
                        isafolder = true;
                    } else {
                        new RuntimeException("[" + (String) ArgList[0] + "] is not a folder!");
                    }
                } else {
                    new RuntimeException("folder [" + (String) ArgList[0] + "] can not be found!");
                }
                return isafolder;
            } catch (IOException e) {
                throw new RuntimeException("The function call isFolder throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call isFolder is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

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From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static String getShortFilename(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {
    try {/*from   w ww  . j av  a  2  s  .  com*/
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return null;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject((String) ArgList[0]);
                String Filename = null;
                if (file.exists()) {
                    Filename = file.getName().getBaseName().toString();

                } else {
                    new RuntimeException("file [" + (String) ArgList[0] + "] can not be found!");
                }

                return Filename;
            } catch (IOException e) {
                throw new RuntimeException(
                        "The function call getShortFilename throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call getShortFilename is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static String getFileExtension(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {
    try {/*  w  w w  .  j  a v  a  2s  .  c o  m*/
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return null;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject((String) ArgList[0]);
                String Extension = null;
                if (file.exists()) {
                    Extension = file.getName().getExtension().toString();

                } else {
                    new RuntimeException("file [" + (String) ArgList[0] + "] can not be found!");
                }

                return Extension;
            } catch (IOException e) {
                throw new RuntimeException(
                        "The function call getFileExtension throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call getFileExtension is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static String getParentFoldername(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {
    try {/*from   w  w  w.  j  a  va 2 s. c om*/
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return null;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject((String) ArgList[0]);
                String foldername = null;
                if (file.exists()) {
                    foldername = KettleVFS.getFilename(file.getParent());

                } else {
                    new RuntimeException("file [" + (String) ArgList[0] + "] can not be found!");
                }

                return foldername;
            } catch (IOException e) {
                throw new RuntimeException(
                        "The function call getParentFoldername throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call getParentFoldername is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static String getLastModifiedTime(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {
    try {/* ww  w.j a v a2  s.c  o m*/
        if (ArgList.length == 2 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return null;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject((String) ArgList[0]);
                String dateformat = (String) ArgList[1];
                if (isNull(dateformat)) {
                    dateformat = "yyyy-MM-dd";
                }
                String lastmodifiedtime = null;
                if (file.exists()) {
                    java.util.Date lastmodifiedtimedate = new java.util.Date(
                            file.getContent().getLastModifiedTime());
                    java.text.DateFormat dateFormat = new SimpleDateFormat(dateformat);
                    lastmodifiedtime = dateFormat.format(lastmodifiedtimedate);

                } else {
                    new RuntimeException("file [" + (String) ArgList[0] + "] can not be found!");
                }

                return lastmodifiedtime;
            } catch (IOException e) {
                throw new RuntimeException(
                        "The function call getLastModifiedTime throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call getLastModifiedTime is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.script.ScriptAddedFunctions.java

public static void moveFile(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList,
        Object FunctionContext) {

    try {// w ww .  j  av a2 s  .  c  o m
        if (ArgList.length == 3 && !isNull(ArgList[0]) && !isNull(ArgList[1]) && !isUndefined(ArgList[0])
                && !isUndefined(ArgList[1])) {
            FileObject fileSource = null, fileDestination = null;

            try {
                // Source file to move
                fileSource = KettleVFS.getFileObject((String) ArgList[0]);
                // Destination filename
                fileDestination = KettleVFS.getFileObject((String) ArgList[1]);
                if (fileSource.exists()) {
                    // Source file exists...
                    if (fileSource.getType() == FileType.FILE) {
                        // Great..source is a file ...
                        boolean overwrite = false;
                        if (!ArgList[1].equals(null)) {
                            overwrite = (Boolean) ArgList[2];
                        }
                        boolean destinationExists = fileDestination.exists();
                        // Let's move the file...
                        if ((destinationExists && overwrite) || !destinationExists) {
                            fileSource.moveTo(fileDestination);
                        }

                    }
                } else {
                    new RuntimeException("file to move [" + (String) ArgList[0] + "] can not be found!");
                }
            } catch (IOException e) {
                throw new RuntimeException("The function call moveFile throw an error : " + e.toString());
            } finally {
                if (fileSource != null) {
                    try {
                        fileSource.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
                if (fileDestination != null) {
                    try {
                        fileDestination.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw new RuntimeException("The function call copyFile is not valid.");
        }
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java

public static void deleteFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
        Function FunctionContext) {

    try {/* w  w  w .j av a  2 s  . com*/
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            // Object act = actualObject.get("_step_", actualObject);
            // ScriptValuesMod act = (ScriptValuesMod)Context.toType(scm_delete, ScriptValuesMod.class);

            FileObject fileObject = null;

            try {
                fileObject = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                if (fileObject.exists()) {
                    if (fileObject.getType() == FileType.FILE) {
                        if (!fileObject.delete()) {
                            Context.reportRuntimeError(
                                    "We can not delete file [" + Context.toString(ArgList[0]) + "]!");
                        }
                    }

                } else {
                    Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                }
            } catch (IOException e) {
                throw Context.reportRuntimeError("The function call deleteFile is not valid.");
            } finally {
                if (fileObject != null) {
                    try {
                        fileObject.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw Context.reportRuntimeError("The function call deleteFile is not valid.");
        }
    } catch (Exception e) {
        throw Context.reportRuntimeError(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java

public static void createFolder(Context actualContext, Scriptable actualObject, Object[] ArgList,
        Function FunctionContext) {

    try {/* w w w  .ja v  a2 s.c om*/
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            FileObject fileObject = null;

            try {
                fileObject = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                if (!fileObject.exists()) {
                    fileObject.createFolder();
                } else {
                    Context.reportRuntimeError("folder [" + Context.toString(ArgList[0]) + "] already exist!");
                }
            } catch (IOException e) {
                throw Context.reportRuntimeError("The function call createFolder is not valid.");
            } finally {
                if (fileObject != null) {
                    try {
                        fileObject.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw Context.reportRuntimeError("The function call createFolder is not valid.");
        }
    } catch (Exception e) {
        throw Context.reportRuntimeError(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java

public static void copyFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
        Function FunctionContext) {

    try {//  w  ww. j a v a2  s. c  om
        if (ArgList.length == 3 && !isNull(ArgList[0]) && !isNull(ArgList[1]) && !isUndefined(ArgList[0])
                && !isUndefined(ArgList[1])) {
            FileObject fileSource = null, fileDestination = null;

            try {
                // Source file to copy
                fileSource = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                // Destination filename
                fileDestination = KettleVFS.getFileObject(Context.toString(ArgList[1]));
                if (fileSource.exists()) {
                    // Source file exists...
                    if (fileSource.getType() == FileType.FILE) {
                        // Great..source is a file ...
                        boolean overwrite = false;
                        if (!ArgList[1].equals(null)) {
                            overwrite = Context.toBoolean(ArgList[2]);
                        }
                        boolean destinationExists = fileDestination.exists();
                        // Let's copy the file...
                        if ((destinationExists && overwrite) || !destinationExists) {
                            FileUtil.copyContent(fileSource, fileDestination);
                        }

                    }
                } else {
                    Context.reportRuntimeError(
                            "file to copy [" + Context.toString(ArgList[0]) + "] can not be found!");
                }
            } catch (IOException e) {
                throw Context.reportRuntimeError("The function call copyFile throw an error : " + e.toString());
            } finally {
                if (fileSource != null) {
                    try {
                        fileSource.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
                if (fileDestination != null) {
                    try {
                        fileDestination.close();
                    } catch (Exception e) {
                        // Ignore errors
                    }
                }
            }

        } else {
            throw Context.reportRuntimeError("The function call copyFileis not valid.");
        }
    } catch (Exception e) {
        throw Context.reportRuntimeError(e.toString());
    }
}

---

From source file:org.pentaho.di.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java

public static double getFileSize(Context actualContext, Scriptable actualObject, Object[] ArgList,
        Function FunctionContext) {
    try {//w  w  w . j av a2  s.  c o m
        if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
            if (ArgList[0].equals(null)) {
                return 0;
            }
            FileObject file = null;

            try {
                // Source file
                file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                long filesize = 0;
                if (file.exists()) {
                    if (file.getType().equals(FileType.FILE)) {
                        filesize = file.getContent().getSize();
                    } else {
                        Context.reportRuntimeError("[" + Context.toString(ArgList[0]) + "] is not a file!");
                    }
                } else {
                    Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                }
                return filesize;
            } catch (IOException e) {
                throw Context
                        .reportRuntimeError("The function call getFileSize throw an error : " + e.toString());
            } finally {
                if (file != null) {
                    try {
                        file.close();
                    } catch (Exception e) {
                        // Ignore close errors
                    }
                }
            }

        } else {
            throw Context.reportRuntimeError("The function call getFileSize is not valid.");
        }
    } catch (Exception e) {
        throw Context.reportRuntimeError(e.toString());
    }
}

---

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