svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.basicformats / src / main / java / org / gvsig / basicformats / impl / DefaultPRJFile.java @ 47121
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package org.gvsig.basicformats.impl; |
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import java.io.BufferedOutputStream; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.nio.charset.StandardCharsets; |
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import org.apache.commons.io.FileUtils; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICRSFactory; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.basicformats.PRJFile; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DefaultPRJFile extends AbstractFormatFile implements PRJFile { |
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private static final Logger logger = LoggerFactory.getLogger(DefaultPRJFile.class); |
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private File source; |
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private IProjection crs;
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public DefaultPRJFile() {
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this.source = null; |
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this.crs = null; |
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} |
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@Override
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public File getFile(File file) { |
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File f = new File(FilenameUtils.removeExtension(file.getAbsolutePath())+"."+FILE_EXTENSION); |
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return f;
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} |
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@Override
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public File getFile() { |
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return source;
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} |
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@Override
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public IProjection getCRS() {
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return this.crs; |
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} |
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@Override
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public void setCRS(IProjection crs) { |
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this.crs = crs;
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} |
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@Override
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public void read(File file) throws IOException { |
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File f = this.getFile(file); |
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if (f.exists()) {
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try {
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String theContents = FileUtils.readFileToString(f);
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if (StringUtils.isNotEmpty(theContents)){
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IProjection theCrs=CRSFactory.getCRSFactory().get(ICRSFactory.FORMAT_WKT_ESRI, theContents); |
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this.crs = theCrs;
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this.source = f.getAbsoluteFile();
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} |
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} catch (IOException e) { |
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logger.warn("Couldn't read "+FILE_EXTENSION+" file ("+f.getAbsolutePath()+").",e); |
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throw e;
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} |
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} |
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} |
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@Override
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public void write(File file) throws IOException { |
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File f = this.getFile(file); |
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try {
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String contents = crs.export(ICRSFactory.FORMAT_WKT_ESRI);
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if(contents!=null){ |
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OutputStream os = null; |
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try {
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os = new BufferedOutputStream(FileUtils.openOutputStream(f)); |
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IOUtils.write(contents, os, StandardCharsets.UTF_8); |
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} finally {
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IOUtils.closeQuietly(os); |
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} |
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this.source = f;
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} |
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} catch (Exception e) { |
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logger.warn("Couldn't write "+FILE_EXTENSION+" file ("+f.getAbsolutePath()+").",e); |
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throw e;
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} |
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} |
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} |