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package com.github.dockerjava.api.model;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import java.io.Serializable;
/**
* Represents a host path being bind mounted as a {@link Volume} in a Docker container.
* The Bind can be in read only or read write access mode.
*/
public class Bind implements Serializable {
private static final long serialVersionUID = 1L;
private String path;
private Volume volume;
private AccessMode accessMode;
/**
* @since {@link com.github.dockerjava.core.RemoteApiVersion#VERSION_1_23}
*/
private Boolean noCopy;
/**
* @since {@link com.github.dockerjava.core.RemoteApiVersion#VERSION_1_17}
*/
private SELContext secMode;
/**
* @since {@link com.github.dockerjava.core.RemoteApiVersion#VERSION_1_22}
*/
private PropagationMode propagationMode;
public Bind(String path, Volume volume) {
this(path, volume, AccessMode.DEFAULT, SELContext.DEFAULT);
}
public Bind(String path, Volume volume, Boolean noCopy) {
this(path, volume, AccessMode.DEFAULT, SELContext.DEFAULT, noCopy);
}
public Bind(String path, Volume volume, AccessMode accessMode) {
this(path, volume, accessMode, SELContext.DEFAULT);
}
public Bind(String path, Volume volume, AccessMode accessMode, SELContext secMode) {
this(path, volume, accessMode, secMode, null);
}
public Bind(String path, Volume volume, AccessMode accessMode, SELContext secMode, Boolean noCopy) {
this(path, volume, accessMode, secMode, noCopy, PropagationMode.DEFAULT_MODE);
}
public Bind(String path, Volume volume, AccessMode accessMode, SELContext secMode, Boolean noCopy, PropagationMode propagationMode) {
this.path = path;
this.volume = volume;
this.accessMode = accessMode;
this.secMode = secMode;
this.noCopy = noCopy;
this.propagationMode = propagationMode;
}
public String getPath() {
return path;
}
public Volume getVolume() {
return volume;
}
public AccessMode getAccessMode() {
return accessMode;
}
public SELContext getSecMode() {
return secMode;
}
public Boolean getNoCopy() {
return noCopy;
}
public PropagationMode getPropagationMode() {
return propagationMode;
}
/**
* Parses a bind mount specification to a {@link Bind}.
*
* @param serialized
* the specification, e.g. <code>/host:/container:ro</code>
* @return a {@link Bind} matching the specification
* @throws IllegalArgumentException
* if the specification cannot be parsed
*/
public static Bind parse(String serialized) {
try {
String[] parts = serialized.split(":");
switch (parts.length) {
case 2: {
return new Bind(parts[0], new Volume(parts[1]));
}
case 3: {
String[] flags = parts[2].split(",");
AccessMode accessMode = AccessMode.DEFAULT;
SELContext seMode = SELContext.DEFAULT;
Boolean nocopy = null;
PropagationMode propagationMode = PropagationMode.DEFAULT_MODE;
for (String p : flags) {
if (p.length() == 2) {
accessMode = AccessMode.valueOf(p.toLowerCase());
} else if ("nocopy".equals(p)) {
nocopy = true;
} else if (PropagationMode.SHARED.toString().equals(p)) {
propagationMode = PropagationMode.SHARED;
} else if (PropagationMode.SLAVE.toString().equals(p)) {
propagationMode = PropagationMode.SLAVE;
} else if (PropagationMode.PRIVATE.toString().equals(p)) {
propagationMode = PropagationMode.PRIVATE;
} else {
seMode = SELContext.fromString(p);
}
}
return new Bind(parts[0], new Volume(parts[1]), accessMode, seMode, nocopy, propagationMode);
}
default: {
throw new IllegalArgumentException();
}
}
} catch (Exception e) {
throw new IllegalArgumentException("Error parsing Bind '" + serialized + "'", e);
}
}
@Override
public boolean equals(Object obj) {
if (obj instanceof Bind) {
Bind other = (Bind) obj;
return new EqualsBuilder()
.append(path, other.getPath())
.append(volume, other.getVolume())
.append(accessMode, other.getAccessMode())
.append(secMode, other.getSecMode())
.append(noCopy, other.getNoCopy())
.append(propagationMode, other.getPropagationMode())
.isEquals();
} else {
return super.equals(obj);
}
}
@Override
public int hashCode() {
return new HashCodeBuilder()
.append(path)
.append(volume)
.append(accessMode)
.append(secMode)
.append(noCopy)
.append(propagationMode)
.toHashCode();
}
/**
* Returns a string representation of this {@link Bind} suitable for inclusion in a JSON message.
* The format is <code><host path>:<container path>:<access mode></code>,
* like the argument in {@link #parse(String)}.
*
* @return a string representation of this {@link Bind}
*/
@Override
public String toString() {
return String.format("%s:%s:%s%s%s%s",
path,
volume.getPath(),
accessMode.toString(),
secMode != SELContext.none ? "," + secMode.toString() : "",
noCopy != null ? ",nocopy" : "",
propagationMode != PropagationMode.DEFAULT_MODE ? "," + propagationMode.toString() : "");
}
}