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69 lines
1.6 KiB
Java
69 lines
1.6 KiB
Java
package org.gcube.smartgears.persistence;
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import static org.gcube.smartgears.utils.Utils.fileAt;
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import static org.gcube.smartgears.utils.Utils.notNull;
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import java.io.File;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import org.gcube.smartgears.configuration.ComponentConfiguration;
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import org.gcube.smartgears.configuration.ConfiguredWith;
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@ConfiguredWith(LocalWriterConfiguration.class)
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public class LocalWriter implements PersistenceWriter {
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private String location;
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@Override
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public void configure(ComponentConfiguration configuration) {
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this.location = ((LocalWriterConfiguration) configuration).getLocation();
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}
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public String getLocation() {
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return location;
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}
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public void setLocation(String location) {
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this.location = location;
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}
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@Override
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public File writefile(String path) {
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notNull("relative path", path);
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return fileAt(new File(location, path).getAbsolutePath()).toWrite();
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}
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@Override
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public File file(String path) {
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notNull("relative path", path);
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return fileAt(new File(location, path).getAbsolutePath()).toRead();
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}
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public void validate() {
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File locationDir = new File(location);
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if (!(locationDir.exists() && locationDir.isDirectory() && locationDir.canRead() && locationDir.canWrite()))
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throw new IllegalStateException("invalid node configuration: home "+location+" does not exist or is not a directory or cannot be accessed in read/write mode");
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}
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@Override
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public long getFreeSpace() {
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try {
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return Files.getFileStore(Paths.get(location)).getUsableSpace();
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}catch (Exception e) {
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return -1;
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}
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}
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}
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