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This module contains client library for Microsoft Azure Blob Storage.
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
package com.azure.storage.blob.sas;
import com.azure.storage.common.implementation.Constants;
import java.util.Locale;
/**
* This is a helper class to construct a string representing the permissions granted by a ServiceSAS to a container.
* Setting a value to true means that any SAS which uses these permissions will grant permissions for that operation.
* It is possible to construct the permissions string without this class, but the order of the permissions is
* particular and this class guarantees correctness.
*/
public final class BlobContainerSasPermission {
private boolean readPermission;
private boolean addPermission;
private boolean createPermission;
private boolean writePermission;
private boolean deletePermission;
private boolean deleteVersionPermission;
private boolean listPermission;
private boolean tagsPermission;
private boolean movePermission;
private boolean executePermission;
private boolean filterPermission;
private boolean immutabilityPolicyPermission;
/**
* Initializes an {@code BlobContainerSasPermission} object with all fields set to false.
*/
public BlobContainerSasPermission() {
}
/**
* Creates an {@code BlobContainerSasPermission} from the specified permissions string. This method will throw an
* {@code IllegalArgumentException} if it encounters a character that does not correspond to a valid permission.
*
* @param permissionString A {@code String} which represents the {@code BlobContainerSasPermission}.
* @return A {@code BlobContainerSasPermission} generated from the given {@code String}.
* @throws IllegalArgumentException If {@code permString} contains a character other than r, a, c, w, d, x, l, t or
* i.
*/
public static BlobContainerSasPermission parse(String permissionString) {
BlobContainerSasPermission permissions = new BlobContainerSasPermission();
for (int i = 0; i < permissionString.length(); i++) {
char c = permissionString.charAt(i);
switch (c) {
case 'r':
permissions.readPermission = true;
break;
case 'a':
permissions.addPermission = true;
break;
case 'c':
permissions.createPermission = true;
break;
case 'w':
permissions.writePermission = true;
break;
case 'd':
permissions.deletePermission = true;
break;
case 'x':
permissions.deleteVersionPermission = true;
break;
case 'l':
permissions.listPermission = true;
break;
case 't':
permissions.tagsPermission = true;
break;
case 'm':
permissions.movePermission = true;
break;
case 'e':
permissions.executePermission = true;
break;
case 'f':
permissions.filterPermission = true;
break;
case 'i':
permissions.immutabilityPolicyPermission = true;
break;
default:
throw new IllegalArgumentException(
String.format(Locale.ROOT, Constants.ENUM_COULD_NOT_BE_PARSED_INVALID_VALUE,
"Permissions", permissionString, c));
}
}
return permissions;
}
/**
* @return the read permission status
*/
public boolean hasReadPermission() {
return readPermission;
}
/**
* Sets the read permission status.
*
* @param hasReadPermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setReadPermission(boolean hasReadPermission) {
this.readPermission = hasReadPermission;
return this;
}
/**
* @return the add permission status
*/
public boolean hasAddPermission() {
return addPermission;
}
/**
* Sets the add permission status.
*
* @param hasAddPermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setAddPermission(boolean hasAddPermission) {
this.addPermission = hasAddPermission;
return this;
}
/**
* @return the create permission status
*/
public boolean hasCreatePermission() {
return createPermission;
}
/**
* Sets the create permission status.
*
* @param hasCreatePermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setCreatePermission(boolean hasCreatePermission) {
this.createPermission = hasCreatePermission;
return this;
}
/**
* @return the write permission status
*/
public boolean hasWritePermission() {
return writePermission;
}
/**
* Sets the write permission status.
*
* @param hasWritePermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setWritePermission(boolean hasWritePermission) {
this.writePermission = hasWritePermission;
return this;
}
/**
* @return the delete permission status
*/
public boolean hasDeletePermission() {
return deletePermission;
}
/**
* Sets the delete permission status.
*
* @param hasDeletePermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setDeletePermission(boolean hasDeletePermission) {
this.deletePermission = hasDeletePermission;
return this;
}
/**
* @return the delete version permission status
*/
public boolean hasDeleteVersionPermission() {
return deleteVersionPermission;
}
/**
* Sets the delete version permission status.
*
* @param hasDeleteVersionPermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setDeleteVersionPermission(boolean hasDeleteVersionPermission) {
this.deleteVersionPermission = hasDeleteVersionPermission;
return this;
}
/**
* @return the list permission status
*/
public boolean hasListPermission() {
return listPermission;
}
/**
* Sets the list permission status.
*
* @param hasListPermission Permission status to set
* @return the updated BlobContainerSasPermission object
*/
public BlobContainerSasPermission setListPermission(boolean hasListPermission) {
this.listPermission = hasListPermission;
return this;
}
/**
* @return the tags permission status.
*/
public boolean hasTagsPermission() {
return tagsPermission;
}
/**
* Sets the tags permission status.
*
* @param tagsPermission Permission status to set
* @return the updated BlobContainerSasPermission object.
*/
public BlobContainerSasPermission setTagsPermission(boolean tagsPermission) {
this.tagsPermission = tagsPermission;
return this;
}
/**
* @return the move permission status.
*/
public boolean hasMovePermission() {
return movePermission;
}
/**
* Sets the move permission status.
*
* @param hasMovePermission Permission status to set
* @return the updated BlobContainerSasPermission object.
*/
public BlobContainerSasPermission setMovePermission(boolean hasMovePermission) {
this.movePermission = hasMovePermission;
return this;
}
/**
* @return the execute permission status.
*/
public boolean hasExecutePermission() {
return executePermission;
}
/**
* Sets the execute permission status.
*
* @param hasExecutePermission Permission status to set
* @return the updated BlobContainerSasPermission object.
*/
public BlobContainerSasPermission setExecutePermission(boolean hasExecutePermission) {
this.executePermission = hasExecutePermission;
return this;
}
/**
* @return the filter permission status.
*/
public boolean hasFilterPermission() {
return filterPermission;
}
/**
* Sets the filter permission status.
*
* @param hasFilterPermission Permission status to set
* @return the updated BlobSasPermission object.
*/
public BlobContainerSasPermission setFilterPermission(boolean hasFilterPermission) {
this.filterPermission = hasFilterPermission;
return this;
}
/**
* @return the set immutability policy permission status.
*/
public boolean hasImmutabilityPolicyPermission() {
return immutabilityPolicyPermission;
}
/**
* Sets the set immutability policy permission status.
*
* @param immutabilityPolicyPermission Permission status to set
* @return the updated BlobSasPermission object.
*/
public BlobContainerSasPermission setImmutabilityPolicyPermission(boolean immutabilityPolicyPermission) {
this.immutabilityPolicyPermission = immutabilityPolicyPermission;
return this;
}
/**
* Converts the given permissions to a {@code String}. Using this method will guarantee the permissions are in an
* order accepted by the service.
*
* @return A {@code String} which represents the {@code BlobContainerSasPermission}.
*/
@Override
public String toString() {
// The order of the characters should be as specified here to ensure correctness:
// https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-a-service-sas
final StringBuilder builder = new StringBuilder();
if (this.readPermission) {
builder.append('r');
}
if (this.addPermission) {
builder.append('a');
}
if (this.createPermission) {
builder.append('c');
}
if (this.writePermission) {
builder.append('w');
}
if (this.deletePermission) {
builder.append('d');
}
if (this.deleteVersionPermission) {
builder.append('x');
}
if (this.listPermission) {
builder.append('l');
}
if (this.tagsPermission) {
builder.append('t');
}
if (this.movePermission) {
builder.append('m');
}
if (this.executePermission) {
builder.append('e');
}
if (this.filterPermission) {
builder.append('f');
}
if (this.immutabilityPolicyPermission) {
builder.append('i');
}
return builder.toString();
}
}