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Add more file types #3956 #3957

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May 28, 2024
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Original file line number Diff line number Diff line change
@@ -0,0 +1,128 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/

package org.apache.hop.ui.hopgui.perspective.explorer.file;

import java.util.Collections;
import java.util.List;
import java.util.Properties;
import org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileObject;
import org.apache.hop.core.exception.HopException;
import org.apache.hop.core.file.IHasFilename;
import org.apache.hop.core.util.Utils;
import org.apache.hop.core.variables.IVariables;
import org.apache.hop.core.vfs.HopVfs;
import org.apache.hop.ui.hopgui.HopGui;
import org.apache.hop.ui.hopgui.context.IGuiContextHandler;
import org.apache.hop.ui.hopgui.file.HopFileTypePlugin;
import org.apache.hop.ui.hopgui.file.IHopFileType;
import org.apache.hop.ui.hopgui.file.IHopFileTypeHandler;
import org.apache.hop.ui.hopgui.file.empty.EmptyHopFileTypeHandler;

@HopFileTypePlugin(
id = "ParquetFileType",
name = "Parquet File Type",
description = "Apache Parquet file handling in the explorer perspective",
image = "parquet.svg")
public class ParquetFileType implements IHopFileType {

private static final String[] EXTENSIONS = new String[] {"*.parquet"};
private static final String[] FILTER_EXTENSIONS = new String[] {"*.parquet"};
private static final String[] FILTER_NAMES = new String[] {"Parquet files"};

@Override
public String getName() {
return "Parquet";
}

@Override
public String getDefaultFileExtension() {
return "parquet";
}

@Override
public String[] getFilterExtensions() {
return FILTER_EXTENSIONS;
}

@Override
public String[] getFilterNames() {
return FILTER_NAMES;
}

@Override
public Properties getCapabilities() {
return new Properties();
}

@Override
public boolean hasCapability(String capability) {
return false;
}

@Override
public IHopFileTypeHandler openFile(HopGui hopGui, String filename, IVariables variables)
throws HopException {
return new EmptyHopFileTypeHandler();
}

@Override
public IHopFileTypeHandler newFile(HopGui hopGui, IVariables variables) throws HopException {
return new EmptyHopFileTypeHandler();
}

@Override
public boolean isHandledBy(String filename, boolean checkContent) throws HopException {
try {
FileObject fileObject = HopVfs.getFileObject(filename);
FileName fileName = fileObject.getName();
String fileExtension = fileName.getExtension().toLowerCase();

// No extension
if (Utils.isEmpty(fileExtension)) return false;

// Verify the extension
//
for (String typeExtension : EXTENSIONS) {
if (typeExtension.toLowerCase().endsWith(fileExtension)) {
return true;
}
}
return false;
} catch (Exception e) {
throw new HopException(
"Unable to verify file handling of file '" + filename + "' by extension", e);
}
}

@Override
public boolean supportsFile(IHasFilename metaObject) {
return false;
}

@Override
public List<IGuiContextHandler> getContextHandlers() {
return Collections.emptyList();
}

@Override
public String getFileTypeImage() {
return getClass().getAnnotation(HopFileTypePlugin.class).image();
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,128 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/

package org.apache.hop.ui.hopgui.perspective.explorer.file;

import java.util.Collections;
import java.util.List;
import java.util.Properties;
import org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileObject;
import org.apache.hop.core.exception.HopException;
import org.apache.hop.core.file.IHasFilename;
import org.apache.hop.core.util.Utils;
import org.apache.hop.core.variables.IVariables;
import org.apache.hop.core.vfs.HopVfs;
import org.apache.hop.ui.hopgui.HopGui;
import org.apache.hop.ui.hopgui.context.IGuiContextHandler;
import org.apache.hop.ui.hopgui.file.HopFileTypePlugin;
import org.apache.hop.ui.hopgui.file.IHopFileType;
import org.apache.hop.ui.hopgui.file.IHopFileTypeHandler;
import org.apache.hop.ui.hopgui.file.empty.EmptyHopFileTypeHandler;

@HopFileTypePlugin(
id = "ExcelFileType",
name = "Excel File Type",
description = "Excel file handling in the explorer perspective",
image = "excel.svg")
public class ExcelFileType implements IHopFileType {

private static final String[] EXTENSIONS = new String[] {"*.xls", "*.xlsx"};
private static final String[] FILTER_EXTENSIONS = new String[] {"*.xls;*.xlsx"};
private static final String[] FILTER_NAMES = new String[] {"Excel files"};

@Override
public String getName() {
return "Excel";
}

@Override
public String getDefaultFileExtension() {
return "xlsx";
}

@Override
public String[] getFilterExtensions() {
return FILTER_EXTENSIONS;
}

@Override
public String[] getFilterNames() {
return FILTER_NAMES;
}

@Override
public Properties getCapabilities() {
return new Properties();
}

@Override
public boolean hasCapability(String capability) {
return false;
}

@Override
public IHopFileTypeHandler openFile(HopGui hopGui, String filename, IVariables variables)
throws HopException {
return new EmptyHopFileTypeHandler();
}

@Override
public IHopFileTypeHandler newFile(HopGui hopGui, IVariables variables) throws HopException {
return new EmptyHopFileTypeHandler();
}

@Override
public boolean isHandledBy(String filename, boolean checkContent) throws HopException {
try {
FileObject fileObject = HopVfs.getFileObject(filename);
FileName fileName = fileObject.getName();
String fileExtension = fileName.getExtension().toLowerCase();

// No extension
if (Utils.isEmpty(fileExtension)) return false;

// Verify the extension
//
for (String typeExtension : EXTENSIONS) {
if (typeExtension.toLowerCase().endsWith(fileExtension)) {
return true;
}
}
return false;
} catch (Exception e) {
throw new HopException(
"Unable to verify file handling of file '" + filename + "' by extension", e);
}
}

@Override
public boolean supportsFile(IHasFilename metaObject) {
return false;
}

@Override
public List<IGuiContextHandler> getContextHandlers() {
return Collections.emptyList();
}

@Override
public String getFileTypeImage() {
return getClass().getAnnotation(HopFileTypePlugin.class).image();
}
}
2 changes: 2 additions & 0 deletions plugins/transforms/excel/src/main/resources/excel.svg
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,8 @@

@HopFileTypePlugin(
id = "CsvExplorerFileType",
name = "JSON File Type",
description = "JSON file handling in the explorer perspective",
name = "CSV File Type",
description = "CSV file handling in the explorer perspective",
image = "textfile.svg")
public class CsvExplorerFileType extends BaseTextExplorerFileType<TextExplorerFileTypeHandler>
implements IExplorerFileType<TextExplorerFileTypeHandler> {
Expand Down
21 changes: 9 additions & 12 deletions plugins/transforms/textfile/src/main/resources/textfile.svg
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