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/*
* Copyright (C) 2015-2022 Igor A. Maznitsa
*
* Licensed 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 com.igormaznitsa.mindmap.model;
import static java.util.Objects.requireNonNull;
import java.io.File;
import java.net.URISyntaxException;
import java.util.Locale;
import java.util.regex.Pattern;
import org.apache.commons.io.FilenameUtils;
/**
* Extra value for topic contains file link.
*/
public class ExtraFile extends Extra implements ExtraLinkable {
private static final long serialVersionUID = -478916403235887225L;
/**
* File URI
*/
private final MMapURI fileUri;
/**
* Flag shows that file is a MMD one
*/
private final boolean mmdFileFlag;
/**
* Lower cased file extension
*/
private final String lowerCasedFileExtension;
/**
* Internal cache to keep file path string
*/
private volatile String cachedString;
private ExtraFile(
final ExtraFile extraFile
) {
super();
this.fileUri = extraFile.fileUri;
this.mmdFileFlag = extraFile.mmdFileFlag;
this.lowerCasedFileExtension = extraFile.lowerCasedFileExtension;
this.cachedString = extraFile.cachedString;
}
/**
* Constructor
*
* @param fileUri uri for target file, must not be null
*/
public ExtraFile(final MMapURI fileUri) {
super();
this.fileUri = requireNonNull(fileUri);
this.lowerCasedFileExtension = fileUri.getExtension().toLowerCase(Locale.ENGLISH);
this.mmdFileFlag = this.lowerCasedFileExtension.equals("mmd");
}
/**
* Constructor
*
* @param text text representation of file uri
* @throws URISyntaxException thrown if uri can't be parsed
*/
public ExtraFile(final String text) throws URISyntaxException {
this(new MMapURI(text));
}
private static String ensureFolderPath(final String str) {
if (str.endsWith("/") || str.endsWith("\\")) {
return str;
}
return str + File.separatorChar;
}
@Override
protected Object clone() throws CloneNotSupportedException {
return new ExtraFile(this);
}
@Override
public boolean containsPattern(final File baseFolder, final Pattern pattern) {
final String filePathAsText =
FilenameUtils.normalize(this.fileUri.asFile(baseFolder).getAbsolutePath());
return pattern.matcher(filePathAsText).find();
}
@Override
public int hashCode() {
return this.fileUri.hashCode() ^ (this.mmdFileFlag ? 1 : 0);
}
@Override
public boolean equals(final Object that) {
if (that == null) {
return false;
}
if (this == that) {
return true;
}
if (that instanceof ExtraFile) {
final ExtraFile thatFile = (ExtraFile) that;
return this.mmdFileFlag == thatFile.mmdFileFlag && this.fileUri.equals(thatFile.fileUri);
} else {
return false;
}
}
/**
* Check that MMD file target
*
* @return true if target is a MMD, false otherwise
*/
public boolean isMMDFile() {
return this.mmdFileFlag;
}
/**
* Get lower-cased target file extension
*
* @return low case target file extension, must not be null
*/
public String getLCFileExtension() {
return this.lowerCasedFileExtension;
}
@Override
public MMapURI getValue() {
return fileUri;
}
@Override
public ExtraType getType() {
return ExtraType.FILE;
}
@Override
public String getAsString() {
if (this.cachedString == null) {
this.cachedString = this.fileUri.asFile(null).getPath();
}
return this.cachedString;
}
@Override
public String provideAsStringForSave() {
return this.fileUri.asString(false, true);
}
@Override
public MMapURI getAsURI() {
return this.fileUri;
}
/**
* Check that URI is absolute one
*
* @return true if URI is absolute one, false if relative one
*/
public boolean isAbsolute() {
return this.fileUri.isAbsolute();
}
/**
* Make version with replaced parent path
*
* @param baseFolder base folder, can be null
* @param oldFolder old folder URI, must not be null
* @param newFolder new folder URI, must not be null
* @return extra file object with replaced parent path or null if old path not base for the file target
*/
public ExtraFile replaceParentPath(final File baseFolder,
final MMapURI oldFolder,
final MMapURI newFolder) {
final File theFile = this.fileUri.asFile(baseFolder);
final File oldFolderFile = oldFolder.asFile(baseFolder);
final File newFolderFile = newFolder.asFile(baseFolder);
final String theFilePath = FilenameUtils.normalize(theFile.getAbsolutePath());
final String oldFolderFilePath =
ensureFolderPath(FilenameUtils.normalize(oldFolderFile.getAbsolutePath()));
final String newFolderFilePath =
ensureFolderPath(FilenameUtils.normalize(newFolderFile.getAbsolutePath()));
if (theFilePath.startsWith(oldFolderFilePath)) {
final String changedPath =
newFolderFilePath + theFilePath.substring(oldFolderFilePath.length());
return new ExtraFile(new MMapURI(this.isAbsolute() ? null : baseFolder, new File(changedPath),
this.fileUri.getParameters()));
} else {
return null;
}
}
/**
* Check that folder among parents for target file
*
* @param baseFolder base folder for mind map, can be null
* @param folder folder to check, must not be null
* @return true if folder among parents for target file
*/
public boolean hasParent(final File baseFolder, final MMapURI folder) {
final File theFile = this.fileUri.asFile(baseFolder);
final File thatFile = folder.asFile(baseFolder);
final String theFilePath = FilenameUtils.normalize(theFile.getAbsolutePath());
final String thatFilePath =
ensureFolderPath(FilenameUtils.normalize(thatFile.getAbsolutePath()));
if (!theFilePath.equals(thatFilePath) && theFilePath.startsWith(thatFilePath)) {
final String diff = theFilePath.substring(thatFilePath.length() - 1);
return diff.startsWith("\\") || diff.startsWith("/");
} else {
return false;
}
}
/**
* Check that file is same of parent
*
* @param baseFolder base folder for mind map file, can be null
* @param file file to check, must not be null
* @return true if checked file is same or parent, false otherwise
*/
public boolean isSameOrHasParent(final File baseFolder, final MMapURI file) {
final File theFile = this.fileUri.asFile(baseFolder);
final File thatFile = file.asFile(baseFolder);
final String theFilePath = FilenameUtils.normalize(theFile.getAbsolutePath());
final String thatFilePath = FilenameUtils.normalize(thatFile.getAbsolutePath());
if (theFilePath.startsWith(thatFilePath)) {
final String diff = theFilePath.substring(thatFilePath.length());
return diff.isEmpty() || diff.startsWith("\\") || diff.startsWith("/") ||
thatFilePath.endsWith("/") || thatFilePath.endsWith("\\");
} else {
return false;
}
}
/**
* Check that a file is the same one as the target file
*
* @param baseFolder base folder for mind map file, can be null
* @param file file to check, must not be null
* @return true if the file is the same, false otherwise
*/
public boolean isSame(final File baseFolder, final MMapURI file) {
final File theFile = this.fileUri.asFile(baseFolder);
final File thatFile = file.asFile(baseFolder);
final String theFilePath = FilenameUtils.normalize(theFile.getAbsolutePath());
final String thatFilePath = FilenameUtils.normalize(thatFile.getAbsolutePath());
return theFilePath.equals(thatFilePath);
}
}
